2202221121202 has 4 divisors (see below), whose sum is σ = 3303331681806. Its totient is φ = 1101110560600.

The previous prime is 2202221121161. The next prime is 2202221121263. The reversal of 2202221121202 is 2021211222022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1326894344281 + 875326776921 = 1151909^2 + 935589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2202221121202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550555280299 + ... + 550555280302.

Almost surely, 2^{2202221121202} is an apocalyptic number.

2202221121202 is a deficient number, since it is larger than the sum of its proper divisors (1101110560604).

2202221121202 is a wasteful number, since it uses less digits than its factorization.

2202221121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101110560603.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2202221121202 its reverse (2021211222022), we get a palindrome (4223432343224).

The spelling of 2202221121202 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred two".