110121221020100 has 72 divisors (see below), whose sum is σ = 251805674134560. Its totient is φ = 41686080606720.

The previous prime is 110121221020087. The next prime is 110121221020123. The reversal of 110121221020100 is 1020122121011.

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, 28801829 + ... + 32400428.

Almost surely, 2^{110121221020100} is an apocalyptic number.

110121221020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121221020100 is an abundant number, since it is smaller than the sum of its proper divisors (141684453114460).

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

110121221020100 is a wasteful number, since it uses less digits than its factorization.

110121221020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61203237 (or 61203230 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110121221020100 its reverse (1020122121011), we get a palindrome (111141343141111).

The spelling of 110121221020100 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty-one million, twenty thousand, one hundred".