111022111122021 has 24 divisors (see below), whose sum is σ = 180587285349120. Its totient is φ = 65115607694400.

The previous prime is 111022111121983. The next prime is 111022111122137. The reversal of 111022111122021 is 120221111220111.

It is a happy number.

111022111122021 is a `hidden beast` number, since 1 + 110 + 221 + 111 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 111022111122021 - 2¹⁰ = 111022111120997 is a prime.

It is a super-2 number, since 2×111022111122021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111022111121985 and 111022111122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022111122821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18087665736 + ... + 18087671873.

It is an arithmetic number, because the mean of its divisors is an integer number (7524470222880).

Almost surely, 2^{111022111122021} is an apocalyptic number.

111022111122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111022111122021 is a deficient number, since it is larger than the sum of its proper divisors (69565174227099).

111022111122021 is a wasteful number, since it uses less digits than its factorization.

111022111122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36175337657 (or 36175337654 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111022111122021 its reverse (120221111220111), we get a palindrome (231243222342132).

The spelling of 111022111122021 in words is "one hundred eleven trillion, twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, twenty-one".