11211310100 has 36 divisors (see below), whose sum is σ = 25167464700. Its totient is φ = 4329884160.

The previous prime is 11211310027. The next prime is 11211310139. The reversal of 11211310100 is 101311211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 150160516 + 11061149584 = 12254^2 + 105172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930085 + ... + 1935884.

Almost surely, 2^11211310100 is an apocalyptic number.

11211310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211310100 is an abundant number, since it is smaller than the sum of its proper divisors (13956154600).

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

11211310100 is a wasteful number, since it uses less digits than its factorization.

11211310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866012 (or 3866005 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11211310100 its reverse (101311211), we get a palindrome (11312621311).

The spelling of 11211310100 in words is "eleven billion, two hundred eleven million, three hundred ten thousand, one hundred".