110010001200120 has 384 divisors, whose sum is σ = 426557448345600. Its totient is φ = 24041537068032.

The previous prime is 110010001200083. The next prime is 110010001200133. The reversal of 110010001200120 is 21002100010011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 134813901 + ... + 135627459.

It is an arithmetic number, because the mean of its divisors is an integer number (1110826688400).

Almost surely, 2^{110010001200120} is an apocalyptic number.

110010001200120 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 110010001200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213278724172800).

110010001200120 is an abundant number, since it is smaller than the sum of its proper divisors (316547447145480).

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

110010001200120 is a wasteful number, since it uses less digits than its factorization.

110010001200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815939 (or 815932 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110010001200120 its reverse (21002100010011), we get a palindrome (131012101210131).

The spelling of 110010001200120 in words is "one hundred ten trillion, ten billion, one million, two hundred thousand, one hundred twenty".