115222035622121 has 4 divisors (see below), whose sum is σ = 115226836364244. Its totient is φ = 115217234880000.

The previous prime is 115222035622093. The next prime is 115222035622157. The reversal of 115222035622121 is 121226530222511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46450508642521 + 68771526979600 = 6815461^2 + 8292860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115222035622121 is a prime.

It is a super-2 number, since 2×115222035622121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115222035622621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400335060 + ... + 2400383061.

It is an arithmetic number, because the mean of its divisors is an integer number (28806709091061).

Almost surely, 2^{115222035622121} is an apocalyptic number.

It is an amenable number.

115222035622121 is a deficient number, since it is larger than the sum of its proper divisors (4800742123).

115222035622121 is an equidigital number, since it uses as much as digits as its factorization.

115222035622121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800742122.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 115222035622121 its reverse (121226530222511), we get a palindrome (236448565844632).

The spelling of 115222035622121 in words is "one hundred fifteen trillion, two hundred twenty-two billion, thirty-five million, six hundred twenty-two thousand, one hundred twenty-one".