22121001112022 has 8 divisors (see below), whose sum is σ = 33181990244496. Its totient is φ = 11060337697192.

The previous prime is 22121001111991. The next prime is 22121001112051. The reversal of 22121001112022 is 22021110012122.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 81259553 + ... + 81531324.

It is an arithmetic number, because the mean of its divisors is an integer number (4147748780562).

Almost surely, 2^{22121001112022} is an apocalyptic number.

22121001112022 is a deficient number, since it is larger than the sum of its proper divisors (11060989132474).

22121001112022 is a wasteful number, since it uses less digits than its factorization.

22121001112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162858822.

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

Adding to 22121001112022 its reverse (22021110012122), we get a palindrome (44142111124144).

The spelling of 22121001112022 in words is "twenty-two trillion, one hundred twenty-one billion, one million, one hundred twelve thousand, twenty-two".