2202021201021 has 4 divisors (see below), whose sum is σ = 2936028268032. Its totient is φ = 1468014134012.

The previous prime is 2202021201013. The next prime is 2202021201067. The reversal of 2202021201021 is 1201021202022.

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 2202021201021 - 2³ = 2202021201013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202021200021) 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, 367003533501 + ... + 367003533506.

It is an arithmetic number, because the mean of its divisors is an integer number (734007067008).

Almost surely, 2^{2202021201021} is an apocalyptic number.

It is an amenable number.

2202021201021 is a deficient number, since it is larger than the sum of its proper divisors (734007067011).

2202021201021 is an equidigital number, since it uses as much as digits as its factorization.

2202021201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734007067010.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2202021201021 its reverse (1201021202022), we get a palindrome (3403042403043).

It can be divided in two parts, 2202021 and 201021, that added together give a palindrome (2403042).

The spelling of 2202021201021 in words is "two trillion, two hundred two billion, twenty-one million, two hundred one thousand, twenty-one".