2215056664120 has 64 divisors (see below), whose sum is σ = 5186608459200. Its totient is φ = 850347509760.

The previous prime is 2215056664097. The next prime is 2215056664153. The reversal of 2215056664120 is 214666505122.

It is a happy number.

It is a super-3 number, since 3×2215056664120³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5523441 + ... + 5910880.

It is an arithmetic number, because the mean of its divisors is an integer number (81040757175).

Almost surely, 2^{2215056664120} is an apocalyptic number.

2215056664120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215056664120 is an abundant number, since it is smaller than the sum of its proper divisors (2971551795080).

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

2215056664120 is a wasteful number, since it uses less digits than its factorization.

2215056664120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434528 (or 11434524 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 2215056664120 in words is "two trillion, two hundred fifteen billion, fifty-six million, six hundred sixty-four thousand, one hundred twenty".