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10121101211 = 131031755137
BaseRepresentation
bin10010110110100001…
…11011111110011011
3222010100122012202102
421123100323332123
5131212000214321
64352150154015
7505544640464
oct113320737633
928110565672
1010121101211
114324109161
121b6565290b
13c53b0b6b0
146c0287d6b
153e382ec0b
hex25b43bf9b

10121101211 has 8 divisors (see below), whose sum is σ = 10910233824. Its totient is φ = 9333480960.

The previous prime is 10121101157. The next prime is 10121101219. The reversal of 10121101211 is 11210112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10121101211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121101192 and 10121101201.

It is not an unprimeable number, because it can be changed into a prime (10121101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364166 + ... + 390971.

It is an arithmetic number, because the mean of its divisors is an integer number (1363779228).

Almost surely, 210121101211 is an apocalyptic number.

10121101211 is a deficient number, since it is larger than the sum of its proper divisors (789132613).

10121101211 is a wasteful number, since it uses less digits than its factorization.

10121101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756181.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10121101211 its reverse (11210112101), we get a palindrome (21331213312).

The spelling of 10121101211 in words is "ten billion, one hundred twenty-one million, one hundred one thousand, two hundred eleven".

Divisors: 1 13 1031 13403 755137 9816781 778546247 10121101211