22112011121000 has 128 divisors (see below), whose sum is σ = 55493025868800. Its totient is φ = 8221188268800.

The previous prime is 22112011120957. The next prime is 22112011121017. The reversal of 22112011121000 is 12111021122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9972152 + ... + 11986151.

It is an arithmetic number, because the mean of its divisors is an integer number (433539264600).

Almost surely, 2^{22112011121000} is an apocalyptic number.

22112011121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112011121000 is an abundant number, since it is smaller than the sum of its proper divisors (33381014747800).

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

22112011121000 is a wasteful number, since it uses less digits than its factorization.

22112011121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21958396 (or 21958382 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22112011121000 its reverse (12111021122), we get a palindrome (22124122142122).

The spelling of 22112011121000 in words is "twenty-two trillion, one hundred twelve billion, eleven million, one hundred twenty-one thousand".