121102121000 has 64 divisors (see below), whose sum is σ = 323861690880. Its totient is φ = 41520724800.

The previous prime is 121102120999. The next prime is 121102121033. The reversal of 121102121000 is 121201121.

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, 8643152 + ... + 8657151.

It is an arithmetic number, because the mean of its divisors is an integer number (5060338920).

Almost surely, 2^121102121000 is an apocalyptic number.

121102121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102121000 is an abundant number, since it is smaller than the sum of its proper divisors (202759569880).

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

121102121000 is a wasteful number, since it uses less digits than its factorization.

121102121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300331 (or 17300317 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121102121000 its reverse (121201121), we get a palindrome (121223322121).

The spelling of 121102121000 in words is "one hundred twenty-one billion, one hundred two million, one hundred twenty-one thousand".