21331131113322 has 32 divisors (see below), whose sum is σ = 47402664494400. Its totient is φ = 7110354401424.

The previous prime is 21331131113321. The next prime is 21331131113339. The reversal of 21331131113322 is 22331113113312.

21331131113322 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 11 + 311 + 1 + 332 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21331131113321) 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, 32615613 + ... + 33263199.

It is an arithmetic number, because the mean of its divisors is an integer number (1481333265450).

Almost surely, 2^{21331131113322} is an apocalyptic number.

21331131113322 is an abundant number, since it is smaller than the sum of its proper divisors (26071533381078).

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

21331131113322 is a wasteful number, since it uses less digits than its factorization.

21331131113322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257587 (or 1257581 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 21331131113322 its reverse (22331113113312), we get a palindrome (43662244226634).

The spelling of 21331131113322 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred twenty-two".