100202021010121 has 8 divisors (see below), whose sum is σ = 103434927487488. Its totient is φ = 96969150984000.

The previous prime is 100202021010109. The next prime is 100202021010137. The reversal of 100202021010121 is 121010120202001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100202021010121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100202021010821) 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, 3470800 + ... + 14575681.

It is an arithmetic number, because the mean of its divisors is an integer number (12929365935936).

Almost surely, 2^{100202021010121} is an apocalyptic number.

It is an amenable number.

100202021010121 is a deficient number, since it is larger than the sum of its proper divisors (3232906477367).

100202021010121 is a wasteful number, since it uses less digits than its factorization.

100202021010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225623.

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

Adding to 100202021010121 its reverse (121010120202001), we get a palindrome (221212141212122).

The spelling of 100202021010121 in words is "one hundred trillion, two hundred two billion, twenty-one million, ten thousand, one hundred twenty-one".