110121012 has 24 divisors (see below), whose sum is σ = 285499200. Its totient is φ = 36706968.

The previous prime is 110120977. The next prime is 110121031. The reversal of 110121012 is 210121011.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 110120985 and 110121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509712 + ... + 509927.

It is an arithmetic number, because the mean of its divisors is an integer number (11895800).

Almost surely, 2^110121012 is an apocalyptic number.

110121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110121012 is an abundant number, since it is smaller than the sum of its proper divisors (175378188).

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

110121012 is a wasteful number, since it uses less digits than its factorization.

110121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019652 (or 1019644 counting only the distinct ones).

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

The square root of 110121012 is about 10493.8559166781. The cubic root of 110121012 is about 479.3176241330.

Adding to 110121012 its reverse (210121011), we get a palindrome (320242023).

Subtracting 110121012 from its reverse (210121011), we obtain a palindrome (99999999).

The spelling of 110121012 in words is "one hundred ten million, one hundred twenty-one thousand, twelve".