202102100102101 has 8 divisors (see below), whose sum is σ = 202548510594560. Its totient is φ = 201655707837408.

The previous prime is 202102100102083. The next prime is 202102100102207. The reversal of 202102100102101 is 101201001201202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202102100102101 - 2³⁵ = 202067740363733 is a prime.

It is a super-2 number, since 2×202102100102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102100102801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17763340 + ... + 26827978.

It is an arithmetic number, because the mean of its divisors is an integer number (25318563824320).

Almost surely, 2^{202102100102101} is an apocalyptic number.

It is an amenable number.

202102100102101 is a deficient number, since it is larger than the sum of its proper divisors (446410492459).

202102100102101 is an equidigital number, since it uses as much as digits as its factorization.

202102100102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113883.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202102100102101 its reverse (101201001201202), we get a palindrome (303303101303303).

The spelling of 202102100102101 in words is "two hundred two trillion, one hundred two billion, one hundred million, one hundred two thousand, one hundred one".