11720110100 has 144 divisors (see below), whose sum is σ = 27589900800. Its totient is φ = 4307022720.

The previous prime is 11720110079. The next prime is 11720110111. The reversal of 11720110100 is 101102711.

It is a super-2 number, since 2×11720110100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13643471 + ... + 13644329.

Almost surely, 2^11720110100 is an apocalyptic number.

11720110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11720110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13794950400).

11720110100 is an abundant number, since it is smaller than the sum of its proper divisors (15869790700).

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

11720110100 is a wasteful number, since it uses less digits than its factorization.

11720110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 14.

Adding to 11720110100 its reverse (101102711), we get a palindrome (11821212811).

The spelling of 11720110100 in words is "eleven billion, seven hundred twenty million, one hundred ten thousand, one hundred".