122111100222 has 32 divisors (see below), whose sum is σ = 250991930400. Its totient is φ = 39576895488.

The previous prime is 122111100217. The next prime is 122111100229. The reversal of 122111100222 is 222001111221.

It is a super-2 number, since 2×122111100222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111100229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145854 + ... + 515262.

It is an arithmetic number, because the mean of its divisors is an integer number (7843497825).

Almost surely, 2^122111100222 is an apocalyptic number.

122111100222 is an abundant number, since it is smaller than the sum of its proper divisors (128880830178).

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

122111100222 is a wasteful number, since it uses less digits than its factorization.

122111100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370940.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122111100222 its reverse (222001111221), we get a palindrome (344112211443).

The spelling of 122111100222 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred thousand, two hundred twenty-two".