110121001002 has 48 divisors (see below), whose sum is σ = 253975176000. Its totient is φ = 34384312512.

The previous prime is 110121000991. The next prime is 110121001033. The reversal of 110121001002 is 200100121011.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1778502 + ... + 1839377.

It is an arithmetic number, because the mean of its divisors is an integer number (5291149500).

Almost surely, 2^110121001002 is an apocalyptic number.

110121001002 is an abundant number, since it is smaller than the sum of its proper divisors (143854174998).

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

110121001002 is a wasteful number, since it uses less digits than its factorization.

110121001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617995 (or 3617992 counting only the distinct ones).

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

Adding to 110121001002 its reverse (200100121011), we get a palindrome (310221122013).

The spelling of 110121001002 in words is "one hundred ten billion, one hundred twenty-one million, one thousand, two".