20213132211001 has 4 divisors (see below), whose sum is σ = 20213610297232. Its totient is φ = 20212654124772.

The previous prime is 20213132210993. The next prime is 20213132211017. The reversal of 20213132211001 is 10011223131202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20213132211001 - 2³ = 20213132210993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20213132211001.

It is not an unprimeable number, because it can be changed into a prime (20213132214001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238979691 + ... + 239064256.

It is an arithmetic number, because the mean of its divisors is an integer number (5053402574308).

Almost surely, 2^{20213132211001} is an apocalyptic number.

It is an amenable number.

20213132211001 is a deficient number, since it is larger than the sum of its proper divisors (478086231).

20213132211001 is an equidigital number, since it uses as much as digits as its factorization.

20213132211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478086230.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20213132211001 its reverse (10011223131202), we get a palindrome (30224355342203).

The spelling of 20213132211001 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-two million, two hundred eleven thousand, one".