101000202121 has 8 divisors (see below), whose sum is σ = 124307941184. Its totient is φ = 79912247760.

The previous prime is 101000202091. The next prime is 101000202133. The reversal of 101000202121 is 121202000101.

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 101000202121 - 2²⁹ = 100463331209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101000202098 and 101000202107.

It is not an unprimeable number, because it can be changed into a prime (101000202521) 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, 554946075 + ... + 554946256.

It is an arithmetic number, because the mean of its divisors is an integer number (15538492648).

Almost surely, 2^101000202121 is an apocalyptic number.

It is an amenable number.

101000202121 is a deficient number, since it is larger than the sum of its proper divisors (23307739063).

101000202121 is a wasteful number, since it uses less digits than its factorization.

101000202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109892351.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101000202121 its reverse (121202000101), we get a palindrome (222202202222).

The spelling of 101000202121 in words is "one hundred one billion, two hundred two thousand, one hundred twenty-one".