112021131321 has 48 divisors (see below), whose sum is σ = 187126692480. Its totient is φ = 63821007360.

The previous prime is 112021131283. The next prime is 112021131367. The reversal of 112021131321 is 123131120211.

112021131321 is a `hidden beast` number, since 1 + 120 + 211 + 313 + 21 = 666.

It is not a de Polignac number, because 112021131321 - 2¹³ = 112021123129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112021131294 and 112021131303.

It is not an unprimeable number, because it can be changed into a prime (112021131121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372371 + ... + 1451703.

It is an arithmetic number, because the mean of its divisors is an integer number (3898472760).

Almost surely, 2^112021131321 is an apocalyptic number.

112021131321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112021131321 is a deficient number, since it is larger than the sum of its proper divisors (75105561159).

112021131321 is a wasteful number, since it uses less digits than its factorization.

112021131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80206 (or 80203 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112021131321 its reverse (123131120211), we get a palindrome (235152251532).

It can be divided in two parts, 112021 and 131321, that added together give a palindrome (243342).

The spelling of 112021131321 in words is "one hundred twelve billion, twenty-one million, one hundred thirty-one thousand, three hundred twenty-one".