1111011212200 has 24 divisors (see below), whose sum is σ = 2583101068830. Its totient is φ = 444404484800.

The previous prime is 1111011212161. The next prime is 1111011212219. The reversal of 1111011212200 is 22121101111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 408696818436 + 702314393764 = 639294^2 + 838042^2 .

It is a super-2 number, since 2×1111011212200² (a number of 25 digits) contains 22 as substring.

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, 2777527831 + ... + 2777528230.

Almost surely, 2^{1111011212200} is an apocalyptic number.

1111011212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111011212200 is an abundant number, since it is smaller than the sum of its proper divisors (1472089856630).

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

1111011212200 is a wasteful number, since it uses less digits than its factorization.

1111011212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555056077 (or 5555056068 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111011212200 its reverse (22121101111), we get a palindrome (1133132313311).

The spelling of 1111011212200 in words is "one trillion, one hundred eleven billion, eleven million, two hundred twelve thousand, two hundred".