20211102211201 has 24 divisors (see below), whose sum is σ = 22798686805632. Its totient is φ = 17768519661600.

The previous prime is 20211102211169. The next prime is 20211102211247. The reversal of 20211102211201 is 10211220111202.

It is not a de Polignac number, because 20211102211201 - 2⁵ = 20211102211169 is a prime.

It is a super-2 number, since 2×20211102211201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211102212201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14370735 + ... + 15714331.

It is an arithmetic number, because the mean of its divisors is an integer number (949945283568).

Almost surely, 2^{20211102211201} is an apocalyptic number.

It is an amenable number.

20211102211201 is a deficient number, since it is larger than the sum of its proper divisors (2587584594431).

20211102211201 is a wasteful number, since it uses less digits than its factorization.

20211102211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345093 (or 1345062 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20211102211201 its reverse (10211220111202), we get a palindrome (30422322322403).

The spelling of 20211102211201 in words is "twenty trillion, two hundred eleven billion, one hundred two million, two hundred eleven thousand, two hundred one".