120210112202121 has 24 divisors (see below), whose sum is σ = 185254200784224. Its totient is φ = 74850182110080.

The previous prime is 120210112202107. The next prime is 120210112202129. The reversal of 120210112202121 is 121202211012021.

120210112202121 is a `hidden beast` number, since 1 + 20 + 210 + 1 + 1 + 220 + 212 + 1 = 666.

It is not a de Polignac number, because 120210112202121 - 2²⁵ = 120210078647689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120210112202094 and 120210112202103.

It is not an unprimeable number, because it can be changed into a prime (120210112202129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2998785331 + ... + 2998825416.

It is an arithmetic number, because the mean of its divisors is an integer number (7718925032676).

Almost surely, 2^{120210112202121} is an apocalyptic number.

It is an amenable number.

120210112202121 is a deficient number, since it is larger than the sum of its proper divisors (65044088582103).

120210112202121 is a wasteful number, since it uses less digits than its factorization.

120210112202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997610901 (or 5997610898 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120210112202121 its reverse (121202211012021), we get a palindrome (241412323214142).

The spelling of 120210112202121 in words is "one hundred twenty trillion, two hundred ten billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".