202020012211001 has 4 divisors (see below), whose sum is σ = 202020892675152. Its totient is φ = 202019131746852.

The previous prime is 202020012210979. The next prime is 202020012211013. The reversal of 202020012211001 is 100112210020202.

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 202020012211001 - 2¹⁸ = 202020011948857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020012211201) 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, 439887815 + ... + 440346828.

It is an arithmetic number, because the mean of its divisors is an integer number (50505223168788).

Almost surely, 2^{202020012211001} is an apocalyptic number.

It is an amenable number.

202020012211001 is a deficient number, since it is larger than the sum of its proper divisors (880464151).

202020012211001 is an equidigital number, since it uses as much as digits as its factorization.

202020012211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880464150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202020012211001 its reverse (100112210020202), we get a palindrome (302132222231203).

The spelling of 202020012211001 in words is "two hundred two trillion, twenty billion, twelve million, two hundred eleven thousand, one".