21122230123022 has 24 divisors (see below), whose sum is σ = 37852248031704. Its totient is φ = 8807725300752.

The previous prime is 21122230123019. The next prime is 21122230123031. The reversal of 21122230123022 is 22032103222112.

It is a happy number.

It is a super-2 number, since 2×21122230123022² (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 11 ways as a sum of consecutive naturals, for example, 2912603948 + ... + 2912611199.

It is an arithmetic number, because the mean of its divisors is an integer number (1577177001321).

Almost surely, 2^{21122230123022} is an apocalyptic number.

21122230123022 is a deficient number, since it is larger than the sum of its proper divisors (16730017908682).

21122230123022 is a wasteful number, since it uses less digits than its factorization.

21122230123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5825215200 (or 5825215193 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21122230123022 its reverse (22032103222112), we get a palindrome (43154333345134).

The spelling of 21122230123022 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred thirty million, one hundred twenty-three thousand, twenty-two".