110121001000 has 64 divisors (see below), whose sum is σ = 257733665280. Its totient is φ = 44039764800.

The previous prime is 110121000991. The next prime is 110121001033. The reversal of 110121001000 is 100121011.

It is a super-2 number, since 2×110121001000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8256337 + ... + 8269663.

It is an arithmetic number, because the mean of its divisors is an integer number (4027088520).

Almost surely, 2^110121001000 is an apocalyptic number.

110121001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121001000 is an abundant number, since it is smaller than the sum of its proper divisors (147612664280).

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

110121001000 is a wasteful number, since it uses less digits than its factorization.

110121001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21611 (or 21597 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 110121001000 its reverse (100121011), we get a palindrome (110221122011).

The spelling of 110121001000 in words is "one hundred ten billion, one hundred twenty-one million, one thousand".