201000020122101 has 96 divisors (see below), whose sum is σ = 297305841191040. Its totient is φ = 120620357480448.

The previous prime is 201000020122091. The next prime is 201000020122169. The reversal of 201000020122101 is 101221020000102.

It is not a de Polignac number, because 201000020122101 - 2¹⁰ = 201000020121077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000020122001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13427744545 + ... + 13427759513.

It is an arithmetic number, because the mean of its divisors is an integer number (3096935845740).

Almost surely, 2^{201000020122101} is an apocalyptic number.

It is an amenable number.

201000020122101 is a deficient number, since it is larger than the sum of its proper divisors (96305821068939).

201000020122101 is a wasteful number, since it uses less digits than its factorization.

201000020122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22883 (or 22864 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201000020122101 its reverse (101221020000102), we get a palindrome (302221040122203).

The spelling of 201000020122101 in words is "two hundred one trillion, twenty million, one hundred twenty-two thousand, one hundred one".