11223222002100 has 108 divisors (see below), whose sum is σ = 35842312531116. Its totient is φ = 2936390146560.

The previous prime is 11223222002081. The next prime is 11223222002137. The reversal of 11223222002100 is 120022232211.

11223222002100 is a `hidden beast` number, since 1 + 1 + 2 + 232 + 220 + 0 + 210 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6000981156 + 11217221020944 = 77466^2 + 3349212^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117596137 + ... + 117691536.

It is an arithmetic number, because the mean of its divisors is an integer number (331873264177).

Almost surely, 2^{11223222002100} is an apocalyptic number.

11223222002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223222002100 is an abundant number, since it is smaller than the sum of its proper divisors (24619090529016).

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

11223222002100 is a wasteful number, since it uses less digits than its factorization.

11223222002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235287746 (or 235287736 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11223222002100 its reverse (120022232211), we get a palindrome (11343244234311).

The spelling of 11223222002100 in words is "eleven trillion, two hundred twenty-three billion, two hundred twenty-two million, two thousand, one hundred".