21122122110022 has 8 divisors (see below), whose sum is σ = 31762193598072. Its totient is φ = 10534724244000.

The previous prime is 21122122109983. The next prime is 21122122110071. The reversal of 21122122110022 is 22001122122112.

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

It is a super-2 number, since 2×21122122110022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13168404504 + ... + 13168406107.

It is an arithmetic number, because the mean of its divisors is an integer number (3970274199759).

Almost surely, 2^{21122122110022} is an apocalyptic number.

21122122110022 is a deficient number, since it is larger than the sum of its proper divisors (10640071488050).

21122122110022 is a wasteful number, since it uses less digits than its factorization.

21122122110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26336811014.

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

Adding to 21122122110022 its reverse (22001122122112), we get a palindrome (43123244232134).

The spelling of 21122122110022 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand, twenty-two".