2166201151112 has 32 divisors (see below), whose sum is σ = 4238542788480. Its totient is φ = 1035930255360.

The previous prime is 2166201151069. The next prime is 2166201151129. The reversal of 2166201151112 is 2111511026612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007437 + ... + 2891747.

It is an arithmetic number, because the mean of its divisors is an integer number (132454462140).

Almost surely, 2^{2166201151112} is an apocalyptic number.

It is an amenable number.

2166201151112 is a deficient number, since it is larger than the sum of its proper divisors (2072341637368).

2166201151112 is a wasteful number, since it uses less digits than its factorization.

2166201151112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897653 (or 897649 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

Adding to 2166201151112 its reverse (2111511026612), we get a palindrome (4277712177724).

The spelling of 2166201151112 in words is "two trillion, one hundred sixty-six billion, two hundred one million, one hundred fifty-one thousand, one hundred twelve".