111102100010120 has 32 divisors (see below), whose sum is σ = 256076791490520. Its totient is φ = 43356917076480.

The previous prime is 111102100010117. The next prime is 111102100010123. The reversal of 111102100010120 is 21010001201111.

It is an interprime number because it is at equal distance from previous prime (111102100010117) and next prime (111102100010123).

It can be written as a sum of positive squares in 4 ways, for example, as 69266636184964 + 41835463825156 = 8322658^2 + 6468034^2 .

It is not an unprimeable number, because it can be changed into a prime (111102100010123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33872589827 + ... + 33872593106.

Almost surely, 2^{111102100010120} is an apocalyptic number.

111102100010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102100010120 is an abundant number, since it is smaller than the sum of its proper divisors (144974691480400).

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

111102100010120 is a wasteful number, since it uses less digits than its factorization.

111102100010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67745182985 (or 67745182981 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111102100010120 its reverse (21010001201111), we get a palindrome (132112101211231).

The spelling of 111102100010120 in words is "one hundred eleven trillion, one hundred two billion, one hundred million, ten thousand, one hundred twenty".