202100201210120 has 16 divisors (see below), whose sum is σ = 454725452722860. Its totient is φ = 80840080484032.

The previous prime is 202100201210081. The next prime is 202100201210239. The reversal of 202100201210120 is 21012102001202.

It can be written as a sum of positive squares in 2 ways, for example, as 194823921548356 + 7276279661764 = 13957934^2 + 2697458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202100201210095 and 202100201210104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526252515087 + ... + 2526252515166.

Almost surely, 2^{202100201210120} is an apocalyptic number.

202100201210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202100201210120 is an abundant number, since it is smaller than the sum of its proper divisors (252625251512740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202100201210120 is a wasteful number, since it uses less digits than its factorization.

202100201210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052505030264 (or 5052505030260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202100201210120 its reverse (21012102001202), we get a palindrome (223112303211322).

The spelling of 202100201210120 in words is "two hundred two trillion, one hundred billion, two hundred one million, two hundred ten thousand, one hundred twenty".