202221120111002 has 4 divisors (see below), whose sum is σ = 303331680166506. Its totient is φ = 101110560055500.

The previous prime is 202221120111001. The next prime is 202221120111037. The reversal of 202221120111002 is 200111021122202.

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., 120010250296561 + 82210869814441 = 10954919^2 + 9067021^2 .

It is not an unprimeable number, because it can be changed into a prime (202221120111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555280027749 + ... + 50555280027752.

Almost surely, 2^{202221120111002} is an apocalyptic number.

202221120111002 is a deficient number, since it is larger than the sum of its proper divisors (101110560055504).

202221120111002 is a wasteful number, since it uses less digits than its factorization.

202221120111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101110560055503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202221120111002 its reverse (200111021122202), we get a palindrome (402332141233204).

The spelling of 202221120111002 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty million, one hundred eleven thousand, two".