1100211023100 has 72 divisors (see below), whose sum is σ = 3638031123328. Its totient is φ = 251476804800.

The previous prime is 1100211023083. The next prime is 1100211023117. The reversal of 1100211023100 is 13201120011.

It is an interprime number because it is at equal distance from previous prime (1100211023083) and next prime (1100211023117).

It is a super-2 number, since 2×1100211023100² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261952906 + ... + 261957105.

Almost surely, 2^{1100211023100} is an apocalyptic number.

1100211023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100211023100 is an abundant number, since it is smaller than the sum of its proper divisors (2537820100228).

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

1100211023100 is a wasteful number, since it uses less digits than its factorization.

1100211023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523910035 (or 523910028 counting only the distinct ones).

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

Adding to 1100211023100 its reverse (13201120011), we get a palindrome (1113412143111).

The spelling of 1100211023100 in words is "one trillion, one hundred billion, two hundred eleven million, twenty-three thousand, one hundred".