22212002011100 has 72 divisors (see below), whose sum is σ = 52583686178688. Its totient is φ = 8076812132800.

The previous prime is 22212002011039. The next prime is 22212002011187. The reversal of 22212002011100 is 111020021222.

It is a super-2 number, since 2×22212002011100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32889017 + ... + 33557583.

It is an arithmetic number, because the mean of its divisors is an integer number (730328974704).

Almost surely, 2^{22212002011100} is an apocalyptic number.

22212002011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212002011100 is an abundant number, since it is smaller than the sum of its proper divisors (30371684167588).

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

22212002011100 is a wasteful number, since it uses less digits than its factorization.

22212002011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698795 (or 698788 counting only the distinct ones).

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

Adding to 22212002011100 its reverse (111020021222), we get a palindrome (22323022032322).

The spelling of 22212002011100 in words is "twenty-two trillion, two hundred twelve billion, two million, eleven thousand, one hundred".