115121454222 has 16 divisors (see below), whose sum is σ = 238182319440. Its totient is φ = 37050582912.

The previous prime is 115121454167. The next prime is 115121454241. The reversal of 115121454222 is 222454121511.

It is a self number, because there is not a number n which added to its sum of digits gives 115121454222.

It is a congruent number.

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, 330808603 + ... + 330808950.

It is an arithmetic number, because the mean of its divisors is an integer number (14886394965).

Almost surely, 2^115121454222 is an apocalyptic number.

115121454222 is an abundant number, since it is smaller than the sum of its proper divisors (123060865218).

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

115121454222 is a wasteful number, since it uses less digits than its factorization.

115121454222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661617587.

The product of its digits is 6400, while the sum is 30.

Adding to 115121454222 its reverse (222454121511), we get a palindrome (337575575733).

The spelling of 115121454222 in words is "one hundred fifteen billion, one hundred twenty-one million, four hundred fifty-four thousand, two hundred twenty-two".