100020102201 has 12 divisors (see below), whose sum is σ = 144571714560. Its totient is φ = 66634729560.

The previous prime is 100020102137. The next prime is 100020102269. The reversal of 100020102201 is 102201020001.

It is not a de Polignac number, because 100020102201 - 2⁶ = 100020102137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100020102401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3764241 + ... + 3790718.

It is an arithmetic number, because the mean of its divisors is an integer number (12047642880).

Almost surely, 2^100020102201 is an apocalyptic number.

It is an amenable number.

100020102201 is a deficient number, since it is larger than the sum of its proper divisors (44551612359).

100020102201 is a wasteful number, since it uses less digits than its factorization.

100020102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556436 (or 7556433 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100020102201 its reverse (102201020001), we get a palindrome (202221122202).

The spelling of 100020102201 in words is "one hundred billion, twenty million, one hundred two thousand, two hundred one".