21120440132022 has 32 divisors (see below), whose sum is σ = 52663954616064. Its totient is φ = 5485828605600.

The previous prime is 21120440132021. The next prime is 21120440132069. The reversal of 21120440132022 is 22023104402112.

It is a junction number, because it is equal to n+sod(n) for n = 21120440131983 and 21120440132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120440132021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22857618729 + ... + 22857619652.

It is an arithmetic number, because the mean of its divisors is an integer number (1645748581752).

Almost surely, 2^{21120440132022} is an apocalyptic number.

21120440132022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21120440132022 is an abundant number, since it is smaller than the sum of its proper divisors (31543514484042).

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

21120440132022 is a wasteful number, since it uses less digits than its factorization.

21120440132022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45715238404.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21120440132022 its reverse (22023104402112), we get a palindrome (43143544534134).

The spelling of 21120440132022 in words is "twenty-one trillion, one hundred twenty billion, four hundred forty million, one hundred thirty-two thousand, twenty-two".