11220202100000 has 72 divisors (see below), whose sum is σ = 27610449169716. Its totient is φ = 4488080800000.

The previous prime is 11220202099987. The next prime is 11220202100033. The reversal of 11220202100000 is 120202211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2239943262736 + 8980258837264 = 1496644^2 + 2996708^2 .

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, 56001011 + ... + 56201010.

Almost surely, 2^{11220202100000} is an apocalyptic number.

11220202100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220202100000 is an abundant number, since it is smaller than the sum of its proper divisors (16390247069716).

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

11220202100000 is an frugal number, since it uses more digits than its factorization.

11220202100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112202056 (or 112202028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11220202100000 its reverse (120202211), we get a palindrome (11220322302211).

The spelling of 11220202100000 in words is "eleven trillion, two hundred twenty billion, two hundred two million, one hundred thousand".