11122021002100 has 18 divisors (see below), whose sum is σ = 24134785574774. Its totient is φ = 4448808400800.

The previous prime is 11122021002091. The next prime is 11122021002137. The reversal of 11122021002100 is 120012022111.

It can be written as a sum of positive squares in 3 ways, for example, as 3868727080464 + 7253293921636 = 1966908^2 + 2693194^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55610104911 + ... + 55610105110.

Almost surely, 2^{11122021002100} is an apocalyptic number.

11122021002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122021002100 is an abundant number, since it is smaller than the sum of its proper divisors (13012764572674).

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

11122021002100 is a wasteful number, since it uses less digits than its factorization.

11122021002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111220210035 (or 111220210028 counting only the distinct ones).

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

Adding to 11122021002100 its reverse (120012022111), we get a palindrome (11242033024211).

The spelling of 11122021002100 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, two thousand, one hundred".