2221160500000 has 336 divisors, whose sum is σ = 6233110683912. Its totient is φ = 771840000000.

The previous prime is 2221160499989. The next prime is 2221160500033. The reversal of 2221160500000 is 50611222.

It can be written as a sum of positive squares in 28 ways, for example, as 2161852664976 + 59307835024 = 1470324^2 + 243532^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 110489950 + ... + 110510050.

Almost surely, 2^{2221160500000} is an apocalyptic number.

2221160500000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221160500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3116555341956).

2221160500000 is an abundant number, since it is smaller than the sum of its proper divisors (4011950183912).

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

2221160500000 is an equidigital number, since it uses as much as digits as its factorization.

2221160500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20171 (or 20138 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 2221160500000 in words is "two trillion, two hundred twenty-one billion, one hundred sixty million, five hundred thousand".