111020022121022 has 128 divisors (see below), whose sum is σ = 204585914007552. Its totient is φ = 44178603724800.

The previous prime is 111020022121009. The next prime is 111020022121049. The reversal of 111020022121022 is 220121220020111.

It is a super-2 number, since 2×111020022121022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431333747 + ... + 431591057.

It is an arithmetic number, because the mean of its divisors is an integer number (1598327453184).

Almost surely, 2^{111020022121022} is an apocalyptic number.

111020022121022 is a deficient number, since it is larger than the sum of its proper divisors (93565891886530).

111020022121022 is a wasteful number, since it uses less digits than its factorization.

111020022121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257762.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111020022121022 its reverse (220121220020111), we get a palindrome (331141242141133).

The spelling of 111020022121022 in words is "one hundred eleven trillion, twenty billion, twenty-two million, one hundred twenty-one thousand, twenty-two".