2221211021202 has 24 divisors (see below), whose sum is σ = 4812660900684. Its totient is φ = 740397978144.

The previous prime is 2221211021179. The next prime is 2221211021231. The reversal of 2221211021202 is 2021201121222.

It is a happy number.

2221211021202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2217028682961 + 4182338241 = 1488969^2 + 64671^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2401248 + ... + 3195060.

Almost surely, 2^{2221211021202} is an apocalyptic number.

2221211021202 is an abundant number, since it is smaller than the sum of its proper divisors (2591449879482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221211021202 is a wasteful number, since it uses less digits than its factorization.

2221211021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949274 (or 949271 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2221211021202 its reverse (2021201121222), we get a palindrome (4242412142424).

The spelling of 2221211021202 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, twenty-one thousand, two hundred two".