111121020212022 has 40 divisors (see below), whose sum is σ = 251993317619736. Its totient is φ = 36594070908768.

The previous prime is 111121020211991. The next prime is 111121020212113. The reversal of 111121020212022 is 220212020121111.

111121020212022 is a `hidden beast` number, since 1 + 111 + 210 + 202 + 120 + 22 = 666.

It is a super-2 number, since 2×111121020212022² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111121020211986 and 111121020212004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4132108383 + ... + 4132135274.

Almost surely, 2^{111121020212022} is an apocalyptic number.

111121020212022 is an abundant number, since it is smaller than the sum of its proper divisors (140872297407714).

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

111121020212022 is an equidigital number, since it uses as much as digits as its factorization.

111121020212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264243754 (or 8264243745 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111121020212022 its reverse (220212020121111), we get a palindrome (331333040333133).

The spelling of 111121020212022 in words is "one hundred eleven trillion, one hundred twenty-one billion, twenty million, two hundred twelve thousand, twenty-two".