21112022021112 has 96 divisors (see below), whose sum is σ = 63703586868480. Its totient is φ = 6261463644480.

The previous prime is 21112022021087. The next prime is 21112022021119.

21112022021112 is a `hidden beast` number, since 211 + 1 + 20 + 220 + 211 + 1 + 2 = 666.

21112022021112 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112022021119) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 283543558 + ... + 283618005.

It is an arithmetic number, because the mean of its divisors is an integer number (663579029880).

Almost surely, 2^{21112022021112} is an apocalyptic number.

21112022021112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21112022021112 is an abundant number, since it is smaller than the sum of its proper divisors (42591564847368).

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

21112022021112 is a wasteful number, since it uses less digits than its factorization.

21112022021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567161633 (or 567161626 counting only the distinct ones).

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

It can be divided in two parts, 2111202 and 2021112, that added together give a palindrome (4132314).

The spelling of 21112022021112 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, twenty-one thousand, one hundred twelve".