2215560655122 has 16 divisors (see below), whose sum is σ = 4550881346112. Its totient is φ = 718560212400.

The previous prime is 2215560655043. The next prime is 2215560655123.

It is a happy number.

2215560655122 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2215560655123) 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, 4990001254 + ... + 4990001697.

It is an arithmetic number, because the mean of its divisors is an integer number (284430084132).

Almost surely, 2^{2215560655122} is an apocalyptic number.

2215560655122 is an abundant number, since it is smaller than the sum of its proper divisors (2335320690990).

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

2215560655122 is a wasteful number, since it uses less digits than its factorization.

2215560655122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980002993.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 2215560655122 in words is "two trillion, two hundred fifteen billion, five hundred sixty million, six hundred fifty-five thousand, one hundred twenty-two".