202102013123101 has 32 divisors (see below), whose sum is σ = 250034536217088. Its totient is φ = 159073323171840.

The previous prime is 202102013123069. The next prime is 202102013123111. The reversal of 202102013123101 is 101321310201202.

It is not a de Polignac number, because 202102013123101 - 2⁵ = 202102013123069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102013123111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499127840 + ... + 1499262646.

It is an arithmetic number, because the mean of its divisors is an integer number (7813579256784).

Almost surely, 2^{202102013123101} is an apocalyptic number.

It is an amenable number.

202102013123101 is a deficient number, since it is larger than the sum of its proper divisors (47932523093987).

202102013123101 is a wasteful number, since it uses less digits than its factorization.

202102013123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220381.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 202102013123101 its reverse (101321310201202), we get a palindrome (303423323324303).

The spelling of 202102013123101 in words is "two hundred two trillion, one hundred two billion, thirteen million, one hundred twenty-three thousand, one hundred one".