1222113133100 has 18 divisors (see below), whose sum is σ = 2651985499044. Its totient is φ = 488845253200.

The previous prime is 1222113133081. The next prime is 1222113133117. The reversal of 1222113133100 is 13313112221.

It is a happy number.

It is a super-2 number, since 2×1222113133100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6110565566 + ... + 6110565765.

Almost surely, 2^{1222113133100} is an apocalyptic number.

1222113133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222113133100 is an abundant number, since it is smaller than the sum of its proper divisors (1429872365944).

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

1222113133100 is a wasteful number, since it uses less digits than its factorization.

1222113133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221131345 (or 12221131338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1222113133100 its reverse (13313112221), we get a palindrome (1235426245321).

The spelling of 1222113133100 in words is "one trillion, two hundred twenty-two billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred".