100021020111201 has 16 divisors (see below), whose sum is σ = 160434718976000. Its totient is φ = 54146717653968.

The previous prime is 100021020111143. The next prime is 100021020111269. The reversal of 100021020111201 is 102111020120001.

It is not a de Polignac number, because 100021020111201 - 2¹⁰ = 100021020110177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100021020211201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125339623801 + ... + 125339624598.

It is an arithmetic number, because the mean of its divisors is an integer number (10027169936000).

Almost surely, 2^{100021020111201} is an apocalyptic number.

It is an amenable number.

100021020111201 is a deficient number, since it is larger than the sum of its proper divisors (60413698864799).

100021020111201 is a wasteful number, since it uses less digits than its factorization.

100021020111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250679248428.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021020111201 its reverse (102111020120001), we get a palindrome (202132040231202).

The spelling of 100021020111201 in words is "one hundred trillion, twenty-one billion, twenty million, one hundred eleven thousand, two hundred one".