20210211211101 has 8 divisors (see below), whose sum is σ = 26994140837664. Its totient is φ = 13449877862640.

The previous prime is 20210211211039. The next prime is 20210211211117. The reversal of 20210211211101 is 10111211201202.

It is a happy number.

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

It is not a de Polignac number, because 20210211211101 - 2²⁷ = 20210076993373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210211211501) 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, 5899067526 + ... + 5899070951.

It is an arithmetic number, because the mean of its divisors is an integer number (3374267604708).

Almost surely, 2^{20210211211101} is an apocalyptic number.

It is an amenable number.

20210211211101 is a deficient number, since it is larger than the sum of its proper divisors (6783929626563).

20210211211101 is a wasteful number, since it uses less digits than its factorization.

20210211211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11798139051.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20210211211101 its reverse (10111211201202), we get a palindrome (30321422412303).

The spelling of 20210211211101 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, two hundred eleven thousand, one hundred one".