1232031021101 has 16 divisors (see below), whose sum is σ = 1264083924096. Its totient is φ = 1200395344896.

The previous prime is 1232031021097. The next prime is 1232031021113. The reversal of 1232031021101 is 1011201302321.

It is a cyclic number.

It is not a de Polignac number, because 1232031021101 - 2² = 1232031021097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232031021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232031021121) 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, 10711640 + ... + 10826046.

It is an arithmetic number, because the mean of its divisors is an integer number (79005245256).

Almost surely, 2^{1232031021101} is an apocalyptic number.

It is an amenable number.

1232031021101 is a deficient number, since it is larger than the sum of its proper divisors (32052902995).

1232031021101 is a wasteful number, since it uses less digits than its factorization.

1232031021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116228.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1232031021101 its reverse (1011201302321), we get a palindrome (2243232323422).

The spelling of 1232031021101 in words is "one trillion, two hundred thirty-two billion, thirty-one million, twenty-one thousand, one hundred one".