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211122201132031 = 7401102185378629
BaseRepresentation
bin110000000000001110110111…
…110011010111101111111111
31000200112002022012021102212211
4300000032313303113233333
5210133011231442211111
62025004111131241251
762320034646136120
oct6000166763275777
91020462265242784
10211122201132031
11612a747165a462
121b818a91ba9227
1390a5979906c87
143a1c524996047
151961b8da91521
hexc003b7cd7bff

211122201132031 has 32 divisors (see below), whose sum is σ = 242177550410880. Its totient is φ = 180291792384000.

The previous prime is 211122201131981. The next prime is 211122201132047. The reversal of 211122201132031 is 130231102221112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211122201132031 - 217 = 211122201000959 is a prime.

It is a super-2 number, since 2×2111222011320312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211122201131993 and 211122201132011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122201132061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24466585225 + ... + 24466593853.

It is an arithmetic number, because the mean of its divisors is an integer number (7568048450340).

Almost surely, 2211122201132031 is an apocalyptic number.

211122201132031 is a deficient number, since it is larger than the sum of its proper divisors (31055349278849).

211122201132031 is a wasteful number, since it uses less digits than its factorization.

211122201132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18595.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 211122201132031 its reverse (130231102221112), we get a palindrome (341353303353143).

The spelling of 211122201132031 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred one million, one hundred thirty-two thousand, thirty-one".

Divisors: 1 7 401 1021 2807 7147 8537 8629 59759 60403 409421 2865947 3423337 3460229 8716277 8810209 23963359 24221603 61013939 61671463 73665773 515660411 3495227077 3532893809 24466589539 24730256663 29539974973 75212754233 206779824811 526489279631 30160314447433 211122201132031