202101120002001 has 32 divisors (see below), whose sum is σ = 294489908608896. Its totient is φ = 122267102400000.

The previous prime is 202101120001981. The next prime is 202101120002059. The reversal of 202101120002001 is 100200021101202.

It is not a de Polignac number, because 202101120002001 - 2⁵ = 202101120001969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202101120002401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43639251 + ... + 48047751.

It is an arithmetic number, because the mean of its divisors is an integer number (9202809644028).

Almost surely, 2^{202101120002001} is an apocalyptic number.

It is an amenable number.

202101120002001 is a deficient number, since it is larger than the sum of its proper divisors (92388788606895).

202101120002001 is a wasteful number, since it uses less digits than its factorization.

202101120002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410993.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202101120002001 its reverse (100200021101202), we get a palindrome (302301141103203).

The spelling of 202101120002001 in words is "two hundred two trillion, one hundred one billion, one hundred twenty million, two thousand, one".