22110211001200 has 120 divisors (see below), whose sum is σ = 61334181951392. Its totient is φ = 7502492712960.

The previous prime is 22110211001189. The next prime is 22110211001209. The reversal of 22110211001200 is 210011201122.

It is a super-2 number, since 2×22110211001200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110211001209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40432029 + ... + 40975228.

Almost surely, 2^{22110211001200} is an apocalyptic number.

22110211001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110211001200 is an abundant number, since it is smaller than the sum of its proper divisors (39223970950192).

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

22110211001200 is a wasteful number, since it uses less digits than its factorization.

22110211001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81407379 (or 81407368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22110211001200 its reverse (210011201122), we get a palindrome (22320222202322).

The spelling of 22110211001200 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one thousand, two hundred".