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11100022122 = 237264286241
BaseRepresentation
bin10100101011001110…
…01110010101101010
31001122120122112210110
422111213032111222
5140213101201442
65033235555150
7542032426350
oct122547162552
931576575713
1011100022122
114786744a02
12219945bab6
13107b878237
147742a97d0
1544e74a69c
hex2959ce56a

11100022122 has 16 divisors (see below), whose sum is σ = 25371479232. Its totient is φ = 3171434880.

The previous prime is 11100022121. The next prime is 11100022133. The reversal of 11100022122 is 22122000111.

It is a super-2 number, since 2×111000221222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100022098 and 11100022107.

It is not an unprimeable number, because it can be changed into a prime (11100022121) 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, 132143079 + ... + 132143162.

It is an arithmetic number, because the mean of its divisors is an integer number (1585717452).

Almost surely, 211100022122 is an apocalyptic number.

11100022122 is an abundant number, since it is smaller than the sum of its proper divisors (14271457110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11100022122 is a wasteful number, since it uses less digits than its factorization.

11100022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264286253.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11100022122 its reverse (22122000111), we get a palindrome (33222022233).

The spelling of 11100022122 in words is "eleven billion, one hundred million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 264286241 528572482 792858723 1585717446 1850003687 3700007374 5550011061 11100022122