138122111022122 has 32 divisors (see below), whose sum is σ = 224784760176000. Its totient is φ = 63447311188800.

The previous prime is 138122111022031. The next prime is 138122111022149. The reversal of 138122111022122 is 221220111221831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419460497 + ... + 419789652.

It is an arithmetic number, because the mean of its divisors is an integer number (7024523755500).

Almost surely, 2^{138122111022122} is an apocalyptic number.

138122111022122 is a deficient number, since it is larger than the sum of its proper divisors (86662649153878).

138122111022122 is a wasteful number, since it uses less digits than its factorization.

138122111022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839250302.

The product of its (nonzero) digits is 1536, while the sum is 29.

Adding to 138122111022122 its reverse (221220111221831), we get a palindrome (359342222243953).

The spelling of 138122111022122 in words is "one hundred thirty-eight trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-two".