2202111220202 has 4 divisors (see below), whose sum is σ = 3303166830306. Its totient is φ = 1101055610100.

The previous prime is 2202111220147. The next prime is 2202111220207. The reversal of 2202111220202 is 2020221112022.

It is a happy number.

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., 1348410986521 + 853700233681 = 1161211^2 + 923959^2 .

It is a super-2 number, since 2×2202111220202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2202111220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550527805049 + ... + 550527805052.

Almost surely, 2^{2202111220202} is an apocalyptic number.

2202111220202 is a deficient number, since it is larger than the sum of its proper divisors (1101055610104).

2202111220202 is a wasteful number, since it uses less digits than its factorization.

2202111220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101055610103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2202111220202 its reverse (2020221112022), we get a palindrome (4222332332224).

The spelling of 2202111220202 in words is "two trillion, two hundred two billion, one hundred eleven million, two hundred twenty thousand, two hundred two".