1112101221100 has 18 divisors (see below), whose sum is σ = 2413259650004. Its totient is φ = 444840488400.

The previous prime is 1112101221097. The next prime is 1112101221103. The reversal of 1112101221100 is 11221012111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112101221097) and next prime (1112101221103).

It is a super-2 number, since 2×1112101221100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112101221103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5560506006 + ... + 5560506205.

Almost surely, 2^{1112101221100} is an apocalyptic number.

1112101221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112101221100 is an abundant number, since it is smaller than the sum of its proper divisors (1301158428904).

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

1112101221100 is a wasteful number, since it uses less digits than its factorization.

1112101221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121012225 (or 11121012218 counting only the distinct ones).

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

Adding to 1112101221100 its reverse (11221012111), we get a palindrome (1123322233211).

The spelling of 1112101221100 in words is "one trillion, one hundred twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred".