202120010122101 has 16 divisors (see below), whose sum is σ = 276794648779968. Its totient is φ = 131096488176000.

The previous prime is 202120010122073. The next prime is 202120010122139. The reversal of 202120010122101 is 101221010021202.

It is not a de Polignac number, because 202120010122101 - 2¹¹ = 202120010120053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120010122171) 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 15 ways as a sum of consecutive naturals, for example, 56473075 + ... + 59945376.

It is an arithmetic number, because the mean of its divisors is an integer number (17299665548748).

Almost surely, 2^{202120010122101} is an apocalyptic number.

It is an amenable number.

202120010122101 is a deficient number, since it is larger than the sum of its proper divisors (74674638657867).

202120010122101 is a wasteful number, since it uses less digits than its factorization.

202120010122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116434132.

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

Adding to 202120010122101 its reverse (101221010021202), we get a palindrome (303341020143303).

The spelling of 202120010122101 in words is "two hundred two trillion, one hundred twenty billion, ten million, one hundred twenty-two thousand, one hundred one".