122112211221122 has 16 divisors (see below), whose sum is σ = 184729074602112. Its totient is φ = 60537776321040.

The previous prime is 122112211221097. The next prime is 122112211221163. The reversal of 122112211221122 is 221122112211221.

It is a super-2 number, since 2×122112211221122² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480697904 + ... + 480951867.

It is an arithmetic number, because the mean of its divisors is an integer number (11545567162632).

Almost surely, 2^{122112211221122} is an apocalyptic number.

122112211221122 is a deficient number, since it is larger than the sum of its proper divisors (62616863380990).

122112211221122 is a wasteful number, since it uses less digits than its factorization.

122112211221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961650313.

The product of its digits is 256, while the sum is 23.

Adding to 122112211221122 its reverse (221122112211221), we get a palindrome (343234323432343).

Subtracting 122112211221122 from its reverse (221122112211221), we obtain a palindrome (99009900990099).

The spelling of 122112211221122 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".