111100021000022 has 16 divisors (see below), whose sum is σ = 172568507260032. Its totient is φ = 53588490836160.

The previous prime is 111100020999971. The next prime is 111100021000039. The reversal of 111100021000022 is 220000120001111.

It is a junction number, because it is equal to n+sod(n) for n = 111100020999967 and 111100021000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826377543 + ... + 2826416850.

It is an arithmetic number, because the mean of its divisors is an integer number (10785531703752).

Almost surely, 2^{111100021000022} is an apocalyptic number.

111100021000022 is a deficient number, since it is larger than the sum of its proper divisors (61468486260010).

111100021000022 is a wasteful number, since it uses less digits than its factorization.

111100021000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652794743.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111100021000022 its reverse (220000120001111), we get a palindrome (331100141001133).

The spelling of 111100021000022 in words is "one hundred eleven trillion, one hundred billion, twenty-one million, twenty-two", and thus it is an aban number.