11220202220990 has 64 divisors (see below), whose sum is σ = 23095220525568. Its totient is φ = 3844650364800.

The previous prime is 11220202220989. The next prime is 11220202221029. The reversal of 11220202220990 is 9902220202211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373169605 + ... + 1373177775.

It is an arithmetic number, because the mean of its divisors is an integer number (360862820712).

Almost surely, 2^{11220202220990} is an apocalyptic number.

11220202220990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220202220990 is an abundant number, since it is smaller than the sum of its proper divisors (11875018304578).

11220202220990 is a wasteful number, since it uses less digits than its factorization.

11220202220990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17393.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11220202220990 in words is "eleven trillion, two hundred twenty billion, two hundred two million, two hundred twenty thousand, nine hundred ninety".