2115505122 has 16 divisors (see below), whose sum is σ = 4245454080. Its totient is φ = 702761072.

The previous prime is 2115505097. The next prime is 2115505127. The reversal of 2115505122 is 2215055112.

It is a junction number, because it is equal to n+sod(n) for n = 2115505092 and 2115505101.

It is not an unprimeable number, because it can be changed into a prime (2115505127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599922 + ... + 603437.

It is an arithmetic number, because the mean of its divisors is an integer number (265340880).

Almost surely, 2^2115505122 is an apocalyptic number.

2115505122 is an abundant number, since it is smaller than the sum of its proper divisors (2129948958).

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

2115505122 is a wasteful number, since it uses less digits than its factorization.

2115505122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203657.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 2115505122 is about 45994.6205767588. The cubic root of 2115505122 is about 1283.7231123818.

The spelling of 2115505122 in words is "two billion, one hundred fifteen million, five hundred five thousand, one hundred twenty-two".