122111222112110 has 192 divisors, whose sum is σ = 287006815664064. Its totient is φ = 36972778752000.

The previous prime is 122111222112091. The next prime is 122111222112119. The reversal of 122111222112110 is 11211222111221.

It is a happy number.

It is a super-2 number, since 2×122111222112110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111222112119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26736554 + ... + 30968786.

It is an arithmetic number, because the mean of its divisors is an integer number (1494827164917).

Almost surely, 2^{122111222112110} is an apocalyptic number.

122111222112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111222112110 is an abundant number, since it is smaller than the sum of its proper divisors (164895593551954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122111222112110 is a wasteful number, since it uses less digits than its factorization.

122111222112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232419 (or 4232412 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122111222112110 its reverse (11211222111221), we get a palindrome (133322444223331).

The spelling of 122111222112110 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, one hundred ten".