2220021221202 has 24 divisors (see below), whose sum is σ = 4940047223436. Its totient is φ = 720006882336.

The previous prime is 2220021221179. The next prime is 2220021221213. The reversal of 2220021221202 is 2021221200222.

2220021221202 is a `hidden beast` number, since 2 + 220 + 0 + 21 + 221 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2191196312361 + 28824908841 = 1480269^2 + 169779^2 .

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, 1666681933 + ... + 1666683264.

Almost surely, 2^{2220021221202} is an apocalyptic number.

2220021221202 is an abundant number, since it is smaller than the sum of its proper divisors (2720026002234).

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

2220021221202 is a wasteful number, since it uses less digits than its factorization.

2220021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333365242 (or 3333365239 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220021221202 its reverse (2021221200222), we get a palindrome (4241242421424).

The spelling of 2220021221202 in words is "two trillion, two hundred twenty billion, twenty-one million, two hundred twenty-one thousand, two hundred two".