21112022211120 has 120 divisors (see below), whose sum is σ = 73527178657296. Its totient is φ = 5629872584448.

The previous prime is 21112022211097. The next prime is 21112022211127. The reversal of 21112022211120 is 2111222021112.

21112022211120 is a `hidden beast` number, since 211 + 1 + 202 + 221 + 11 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 21112022211093 and 21112022211102.

It is not an unprimeable number, because it can be changed into a prime (21112022211127) 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, 542985247 + ... + 543024126.

Almost surely, 2^{21112022211120} is an apocalyptic number.

21112022211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21112022211120 is an abundant number, since it is smaller than the sum of its proper divisors (52415156446176).

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

21112022211120 is a wasteful number, since it uses less digits than its factorization.

21112022211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086009401 (or 1086009383 counting only the distinct ones).

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

Adding to 21112022211120 its reverse (2111222021112), we get a palindrome (23223244232232).

The spelling of 21112022211120 in words is "twenty-one trillion, one hundred twelve billion, twenty-two million, two hundred eleven thousand, one hundred twenty".