22011221220102 has 24 divisors (see below), whose sum is σ = 47748507665040. Its totient is φ = 7328223223920.

The previous prime is 22011221220097. The next prime is 22011221220137. The reversal of 22011221220102 is 20102212211022.

It is a happy number.

22011221220102 is a `hidden beast` number, since 220 + 1 + 1 + 221 + 220 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 737527674 + ... + 737557517.

It is an arithmetic number, because the mean of its divisors is an integer number (1989521152710).

Almost surely, 2^{22011221220102} is an apocalyptic number.

22011221220102 is an abundant number, since it is smaller than the sum of its proper divisors (25737286444938).

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

22011221220102 is a wasteful number, since it uses less digits than its factorization.

22011221220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475086028 (or 1475086025 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011221220102 its reverse (20102212211022), we get a palindrome (42113433431124).

The spelling of 22011221220102 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, two hundred twenty thousand, one hundred two".