11221120022000 has 80 divisors (see below), whose sum is σ = 31008763710912. Its totient is φ = 3847241145600.

The previous prime is 11221120021973. The next prime is 11221120022029. The reversal of 11221120022000 is 22002112211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400740287 + ... + 400768286.

Almost surely, 2^{11221120022000} is an apocalyptic number.

11221120022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221120022000 is an abundant number, since it is smaller than the sum of its proper divisors (19787643688912).

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

11221120022000 is an equidigital number, since it uses as much as digits as its factorization.

11221120022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801508603 (or 801508587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11221120022000 its reverse (22002112211), we get a palindrome (11243122134211).

The spelling of 11221120022000 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, twenty-two thousand".