2220220121202 has 12 divisors (see below), whose sum is σ = 4810476929310. Its totient is φ = 740073373728.

The previous prime is 2220220121123. The next prime is 2220220121221. The reversal of 2220220121202 is 2021210220222.

2220220121202 is a `hidden beast` number, since 2 + 220 + 220 + 1 + 21 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2203113835521 + 17106285681 = 1484289^2 + 130791^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 123345562289 = 2220220121202 / (2 + 2 + 2 + 0 + 2 + 2 + 0 + 1 + 2 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61672781127 + ... + 61672781162.

Almost surely, 2^{2220220121202} is an apocalyptic number.

2220220121202 is an abundant number, since it is smaller than the sum of its proper divisors (2590256808108).

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

2220220121202 is a wasteful number, since it uses less digits than its factorization.

2220220121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123345562297 (or 123345562294 counting only the distinct ones).

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

Adding to 2220220121202 its reverse (2021210220222), we get a palindrome (4241430341424).

The spelling of 2220220121202 in words is "two trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".