111002021111122 has 32 divisors (see below), whose sum is σ = 168351025313520. Its totient is φ = 54888494918400.

The previous prime is 111002021111099. The next prime is 111002021111131. The reversal of 111002021111122 is 221111120200111.

It can be written as a sum of positive squares in 8 ways, for example, as 105192325581561 + 5809695529561 = 10256331^2 + 2410331^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111002021111096 and 111002021111105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218124372 + ... + 218632672.

Almost surely, 2^{111002021111122} is an apocalyptic number.

111002021111122 is a deficient number, since it is larger than the sum of its proper divisors (57349004202398).

111002021111122 is a wasteful number, since it uses less digits than its factorization.

111002021111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511726.

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

Adding to 111002021111122 its reverse (221111120200111), we get a palindrome (332113141311233).

The spelling of 111002021111122 in words is "one hundred eleven trillion, two billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".