232121133310 has 16 divisors (see below), whose sum is σ = 455801498352. Its totient is φ = 84407684800.

The previous prime is 232121133263. The next prime is 232121133311. The reversal of 232121133310 is 13331121232.

It is a super-2 number, since 2×232121133310² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121133311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055095951 + ... + 1055096170.

It is an arithmetic number, because the mean of its divisors is an integer number (28487593647).

Almost surely, 2^232121133310 is an apocalyptic number.

232121133310 is a deficient number, since it is larger than the sum of its proper divisors (223680365042).

232121133310 is a wasteful number, since it uses less digits than its factorization.

232121133310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110192139.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 232121133310 its reverse (13331121232), we get a palindrome (245452254542).

The spelling of 232121133310 in words is "two hundred thirty-two billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred ten".