1031232020121 has 32 divisors (see below), whose sum is σ = 1543095004800. Its totient is φ = 680585198400.

The previous prime is 1031232020017. The next prime is 1031232020191. The reversal of 1031232020121 is 1210202321301.

1031232020121 is a `hidden beast` number, since 1 + 0 + 312 + 320 + 20 + 12 + 1 = 666.

It is not a de Polignac number, because 1031232020121 - 2³⁵ = 996872281753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031232020094 and 1031232020103.

It is not an unprimeable number, because it can be changed into a prime (1031232020191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22936155 + ... + 22981071.

It is an arithmetic number, because the mean of its divisors is an integer number (48221718900).

Almost surely, 2^{1031232020121} is an apocalyptic number.

It is an amenable number.

1031232020121 is a deficient number, since it is larger than the sum of its proper divisors (511862984679).

1031232020121 is a wasteful number, since it uses less digits than its factorization.

1031232020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53446 (or 53440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031232020121 its reverse (1210202321301), we get a palindrome (2241434341422).

The spelling of 1031232020121 in words is "one trillion, thirty-one billion, two hundred thirty-two million, twenty thousand, one hundred twenty-one".