22011011220000 has 480 divisors, whose sum is σ = 81305058852864. Its totient is φ = 5163868800000.

The previous prime is 22011011219999. The next prime is 22011011220019. The reversal of 22011011220000 is 2211011022.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×22011011220000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19922097 + ... + 20997903.

Almost surely, 2^{22011011220000} is an apocalyptic number.

22011011220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22011011220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40652529426432).

22011011220000 is an abundant number, since it is smaller than the sum of its proper divisors (59294047632864).

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

22011011220000 is a wasteful number, since it uses less digits than its factorization.

22011011220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075882 (or 1075859 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22011011220000 its reverse (2211011022), we get a palindrome (22013222231022).

The spelling of 22011011220000 in words is "twenty-two trillion, eleven billion, eleven million, two hundred twenty thousand".