120102121231 has 2 divisors, whose sum is σ = 120102121232. Its totient is φ = 120102121230.

The previous prime is 120102121177. The next prime is 120102121261. The reversal of 120102121231 is 132121201021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120102121231 - 2²³ = 120093732623 is a prime.

It is a super-2 number, since 2×120102121231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102121261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051060615 + 60051060616.

It is an arithmetic number, because the mean of its divisors is an integer number (60051060616).

Almost surely, 2^120102121231 is an apocalyptic number.

120102121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102121231 is an equidigital number, since it uses as much as digits as its factorization.

120102121231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120102121231 its reverse (132121201021), we get a palindrome (252223322252).

The spelling of 120102121231 in words is "one hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred thirty-one".