22121121220102 has 8 divisors (see below), whose sum is σ = 33181704730512. Its totient is φ = 11060552976600.

The previous prime is 22121121220067. The next prime is 22121121220127. The reversal of 22121121220102 is 20102212112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22121121220102.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1043452 + ... + 6732832.

It is an arithmetic number, because the mean of its divisors is an integer number (4147713091314).

Almost surely, 2^{22121121220102} is an apocalyptic number.

22121121220102 is a deficient number, since it is larger than the sum of its proper divisors (11060583510410).

22121121220102 is a wasteful number, since it uses less digits than its factorization.

22121121220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633454.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22121121220102 its reverse (20102212112122), we get a palindrome (42223333332224).

The spelling of 22121121220102 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".