1112220020100 has 72 divisors (see below), whose sum is σ = 3677740873408. Its totient is φ = 254221718400.

The previous prime is 1112220020077. The next prime is 1112220020101. The reversal of 1112220020100 is 10200222111.

It is a super-2 number, since 2×1112220020100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1112220020101) 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, 264812191 + ... + 264816390.

Almost surely, 2^{1112220020100} is an apocalyptic number.

1112220020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112220020100 is an abundant number, since it is smaller than the sum of its proper divisors (2565520853308).

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

1112220020100 is a wasteful number, since it uses less digits than its factorization.

1112220020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529628605 (or 529628598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1112220020100 its reverse (10200222111), we get a palindrome (1122420242211).

The spelling of 1112220020100 in words is "one trillion, one hundred twelve billion, two hundred twenty million, twenty thousand, one hundred".