110121001221012 has 48 divisors (see below), whose sum is σ = 257996844907200. Its totient is φ = 36557563053312.

The previous prime is 110121001220999. The next prime is 110121001221031. The reversal of 110121001221012 is 210122100121011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110121001220982 and 110121001221000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12433993 + ... + 19360944.

It is an arithmetic number, because the mean of its divisors is an integer number (5374934268900).

Almost surely, 2^{110121001221012} is an apocalyptic number.

110121001221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110121001221012 is an abundant number, since it is smaller than the sum of its proper divisors (147875843686188).

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

110121001221012 is a wasteful number, since it uses less digits than its factorization.

110121001221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31796120 (or 31796118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110121001221012 its reverse (210122100121011), we get a palindrome (320243101342023).

The spelling of 110121001221012 in words is "one hundred ten trillion, one hundred twenty-one billion, one million, two hundred twenty-one thousand, twelve".