202100021121201 has 32 divisors (see below), whose sum is σ = 308415639564288. Its totient is φ = 115315627425600.

The previous prime is 202100021121169. The next prime is 202100021121277. The reversal of 202100021121201 is 102121120001202.

It is not a de Polignac number, because 202100021121201 - 2⁵ = 202100021121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202100021121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122459620 + ... + 124098986.

It is an arithmetic number, because the mean of its divisors is an integer number (9637988736384).

Almost surely, 2^{202100021121201} is an apocalyptic number.

202100021121201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202100021121201 is a deficient number, since it is larger than the sum of its proper divisors (106315618443087).

202100021121201 is a wasteful number, since it uses less digits than its factorization.

202100021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648021.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202100021121201 its reverse (102121120001202), we get a palindrome (304221141122403).

The spelling of 202100021121201 in words is "two hundred two trillion, one hundred billion, twenty-one million, one hundred twenty-one thousand, two hundred one".