111220100021022 has 32 divisors (see below), whose sum is σ = 236016619084800. Its totient is φ = 34819735747968.

The previous prime is 111220100021003. The next prime is 111220100021071. The reversal of 111220100021022 is 220120001022111.

It is a super-2 number, since 2×111220100021022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111220100020992 and 111220100021010.

It is a congruent number.

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, 1138148572 + ... + 1138246287.

It is an arithmetic number, because the mean of its divisors is an integer number (7375519346400).

Almost surely, 2^{111220100021022} is an apocalyptic number.

111220100021022 is an abundant number, since it is smaller than the sum of its proper divisors (124796519063778).

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

111220100021022 is a wasteful number, since it uses less digits than its factorization.

111220100021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276395360.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111220100021022 its reverse (220120001022111), we get a palindrome (331340101043133).

The spelling of 111220100021022 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred million, twenty-one thousand, twenty-two".