210100112221000 has 64 divisors (see below), whose sum is σ = 503625342270960. Its totient is φ = 81990287680000.

The previous prime is 210100112220991. The next prime is 210100112221007. The reversal of 210100112221000 is 122211001012.

It can be written as a sum of positive squares in 8 ways, for example, as 11816145001444 + 198283967219556 = 3437462^2 + 14081334^2 .

It is not an unprimeable number, because it can be changed into a prime (210100112221007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562155491 + ... + 2562237490.

Almost surely, 2^{210100112221000} is an apocalyptic number.

210100112221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100112221000 is an abundant number, since it is smaller than the sum of its proper divisors (293525230049960).

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

210100112221000 is a wasteful number, since it uses less digits than its factorization.

210100112221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124393043 (or 5124393029 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210100112221000 its reverse (122211001012), we get a palindrome (210222323222012).

The spelling of 210100112221000 in words is "two hundred ten trillion, one hundred billion, one hundred twelve million, two hundred twenty-one thousand".