102021002201 has 16 divisors (see below), whose sum is σ = 106545054720. Its totient is φ = 97577818560.

The previous prime is 102021002177. The next prime is 102021002219. The reversal of 102021002201 is 102200120201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102021002201 - 2²⁶ = 101953893337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021002261) 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, 1593851 + ... + 1656623.

It is an arithmetic number, because the mean of its divisors is an integer number (6659065920).

Almost surely, 2^102021002201 is an apocalyptic number.

It is an amenable number.

102021002201 is a deficient number, since it is larger than the sum of its proper divisors (4524052519).

102021002201 is a wasteful number, since it uses less digits than its factorization.

102021002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63416.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102021002201 its reverse (102200120201), we get a palindrome (204221122402).

The spelling of 102021002201 in words is "one hundred two billion, twenty-one million, two thousand, two hundred one".