2202021211121 has 8 divisors (see below), whose sum is σ = 2212625318400. Its totient is φ = 2191425698160.

The previous prime is 2202021211079. The next prime is 2202021211139. The reversal of 2202021211121 is 1211121202022.

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

It is a cyclic number.

It is not a de Polignac number, because 2202021211121 - 2⁶ = 2202021211057 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 2202021211121.

It is not an unprimeable number, because it can be changed into a prime (2202021211151) 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, 1634615 + ... + 2660076.

It is an arithmetic number, because the mean of its divisors is an integer number (276578164800).

Almost surely, 2^{2202021211121} is an apocalyptic number.

It is an amenable number.

2202021211121 is a deficient number, since it is larger than the sum of its proper divisors (10604107279).

2202021211121 is a wasteful number, since it uses less digits than its factorization.

2202021211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297159.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2202021211121 its reverse (1211121202022), we get a palindrome (3413142413143).

Subtracting from 2202021211121 its reverse (1211121202022), we obtain a palindrome (990900009099).

It can be divided in two parts, 2202021 and 211121, that added together give a palindrome (2413142).

The spelling of 2202021211121 in words is "two trillion, two hundred two billion, twenty-one million, two hundred eleven thousand, one hundred twenty-one".