2202011200021 has 4 divisors (see below), whose sum is σ = 2202015001600. Its totient is φ = 2202007398444.

The previous prime is 2202011199977. The next prime is 2202011200073. The reversal of 2202011200021 is 1200021102022.

It is a happy number.

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 2202011200021 - 2¹³ = 2202011191829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202011199974 and 2202011200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202011200091) 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, 831381 + ... + 2257258.

It is an arithmetic number, because the mean of its divisors is an integer number (550503750400).

Almost surely, 2^{2202011200021} is an apocalyptic number.

It is an amenable number.

2202011200021 is a deficient number, since it is larger than the sum of its proper divisors (3801579).

2202011200021 is an equidigital number, since it uses as much as digits as its factorization.

2202011200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801578.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2202011200021 its reverse (1200021102022), we get a palindrome (3402032302043).

The spelling of 2202011200021 in words is "two trillion, two hundred two billion, eleven million, two hundred thousand, twenty-one".