115221122 has 8 divisors (see below), whose sum is σ = 180346176. Its totient is φ = 55105732.

The previous prime is 115221107. The next prime is 115221151. The reversal of 115221122 is 221122511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115221122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252358 + ... + 1252449.

It is an arithmetic number, because the mean of its divisors is an integer number (22543272).

Almost surely, 2^115221122 is an apocalyptic number.

115221122 is a deficient number, since it is larger than the sum of its proper divisors (65125054).

115221122 is a wasteful number, since it uses less digits than its factorization.

115221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504832.

The product of its digits is 80, while the sum is 17.

The square root of 115221122 is about 10734.1102099801. The cubic root of 115221122 is about 486.6058958542.

Adding to 115221122 its reverse (221122511), we get a palindrome (336343633).

The spelling of 115221122 in words is "one hundred fifteen million, two hundred twenty-one thousand, one hundred twenty-two".