111220201022022 has 12 divisors (see below), whose sum is σ = 240977102214420. Its totient is φ = 37073400340668.

The previous prime is 111220201022011. The next prime is 111220201022041. The reversal of 111220201022022 is 220220102022111.

It is a happy number.

111220201022022 is a `hidden beast` number, since 1 + 1 + 1 + 220 + 201 + 0 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6178900056779 = 111220201022022 / (1 + 1 + 1 + 2 + 2 + 0 + 2 + 0 + 1 + 0 + 2 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 111220201021986 and 111220201022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3089450028372 + ... + 3089450028407.

It is an arithmetic number, because the mean of its divisors is an integer number (20081425184535).

Almost surely, 2^{111220201022022} is an apocalyptic number.

111220201022022 is an abundant number, since it is smaller than the sum of its proper divisors (129756901192398).

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

111220201022022 is a wasteful number, since it uses less digits than its factorization.

111220201022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6178900056787 (or 6178900056784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111220201022022 its reverse (220220102022111), we get a palindrome (331440303044133).

The spelling of 111220201022022 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred one million, twenty-two thousand, twenty-two".