2100221020112 has 20 divisors (see below), whose sum is σ = 4096488152100. Its totient is φ = 1043062787328.

The previous prime is 2100221020097. The next prime is 2100221020291. The reversal of 2100221020112 is 2110201220012.

It can be written as a sum of positive squares in 2 ways, for example, as 1144566184336 + 955654835776 = 1069844^2 + 977576^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440480213 + ... + 440484980.

It is an arithmetic number, because the mean of its divisors is an integer number (204824407605).

Almost surely, 2^{2100221020112} is an apocalyptic number.

It is an amenable number.

2100221020112 is a deficient number, since it is larger than the sum of its proper divisors (1996267131988).

2100221020112 is a wasteful number, since it uses less digits than its factorization.

2100221020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880965350 (or 880965344 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100221020112 its reverse (2110201220012), we get a palindrome (4210422240124).

The spelling of 2100221020112 in words is "two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, one hundred twelve".