231322022003121 has 128 divisors (see below), whose sum is σ = 373846425600000. Its totient is φ = 124376725414656.

The previous prime is 231322022003077. The next prime is 231322022003173. The reversal of 231322022003121 is 121300220223132.

231322022003121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231322022003121 - 2⁶ = 231322022003057 is a prime.

It is a super-2 number, since 2×231322022003121² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231322022003091 and 231322022003100.

It is not an unprimeable number, because it can be changed into a prime (231322021003121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11671720350 + ... + 11671740168.

It is an arithmetic number, because the mean of its divisors is an integer number (2920675200000).

Almost surely, 2^{231322022003121} is an apocalyptic number.

231322022003121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231322022003121 is a deficient number, since it is larger than the sum of its proper divisors (142524403596879).

231322022003121 is a wasteful number, since it uses less digits than its factorization.

231322022003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21043.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231322022003121 its reverse (121300220223132), we get a palindrome (352622242226253).

The spelling of 231322022003121 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, twenty-two million, three thousand, one hundred twenty-one".