22021101220202 has 32 divisors (see below), whose sum is σ = 41349387409920. Its totient is φ = 8576169235200.

The previous prime is 22021101220177. The next prime is 22021101220267. The reversal of 22021101220202 is 20202210112022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595262674 + ... + 1595276477.

It is an arithmetic number, because the mean of its divisors is an integer number (1292168356560).

Almost surely, 2^{22021101220202} is an apocalyptic number.

22021101220202 is a deficient number, since it is larger than the sum of its proper divisors (19328286189718).

22021101220202 is a wasteful number, since it uses less digits than its factorization.

22021101220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190539206.

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

Adding to 22021101220202 its reverse (20202210112022), we get a palindrome (42223311332224).

The spelling of 22021101220202 in words is "twenty-two trillion, twenty-one billion, one hundred one million, two hundred twenty thousand, two hundred two".