20211102201 has 8 divisors (see below), whose sum is σ = 26954907840. Its totient is φ = 13470682352.

The previous prime is 20211102193. The next prime is 20211102253. The reversal of 20211102201 is 10220111202.

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

It is a cyclic number.

It is not a de Polignac number, because 20211102201 - 2³ = 20211102193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211102701) 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, 832485 + ... + 856418.

It is an arithmetic number, because the mean of its divisors is an integer number (3369363480).

Almost surely, 2^20211102201 is an apocalyptic number.

It is an amenable number.

20211102201 is a deficient number, since it is larger than the sum of its proper divisors (6743805639).

20211102201 is a wasteful number, since it uses less digits than its factorization.

20211102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692895.

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

Adding to 20211102201 its reverse (10220111202), we get a palindrome (30431213403).

Subtracting from 20211102201 its reverse (10220111202), we obtain a palindrome (9990990999).

The spelling of 20211102201 in words is "twenty billion, two hundred eleven million, one hundred two thousand, two hundred one".