2215143665106 has 32 divisors (see below), whose sum is σ = 4585981155840. Its totient is φ = 712464754176.

The previous prime is 2215143665093. The next prime is 2215143665123. The reversal of 2215143665106 is 6015663415122.

It is a super-2 number, since 2×2215143665106² (a number of 25 digits) contains 22 as substring.

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, 3789471 + ... + 4334786.

It is an arithmetic number, because the mean of its divisors is an integer number (143311911120).

Almost surely, 2^{2215143665106} is an apocalyptic number.

2215143665106 is an abundant number, since it is smaller than the sum of its proper divisors (2370837490734).

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

2215143665106 is a wasteful number, since it uses less digits than its factorization.

2215143665106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125858.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 2215143665106 in words is "two trillion, two hundred fifteen billion, one hundred forty-three million, six hundred sixty-five thousand, one hundred six".