1122102200 has 48 divisors (see below), whose sum is σ = 2669579880. Its totient is φ = 438399360.

The previous prime is 1122102181. The next prime is 1122102203. The reversal of 1122102200 is 22012211.

It is a happy number.

It is a super-2 number, since 2×1122102200² = 2518226694489680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56639 + ... + 73838.

Almost surely, 2^1122102200 is an apocalyptic number.

1122102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122102200 is an abundant number, since it is smaller than the sum of its proper divisors (1547477680).

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

1122102200 is a wasteful number, since it uses less digits than its factorization.

1122102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130536 (or 130527 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1122102200 is about 33497.7939572146. The cubic root of 1122102200 is about 1039.1481560118.

Adding to 1122102200 its reverse (22012211), we get a palindrome (1144114411).

The spelling of 1122102200 in words is "one billion, one hundred twenty-two million, one hundred two thousand, two hundred".