121002121121120 has 24 divisors (see below), whose sum is σ = 285867511149024. Its totient is φ = 48400848448384.

The previous prime is 121002121121093. The next prime is 121002121121173. The reversal of 121002121121120 is 21121121200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378131628344 + ... + 378131628663.

It is an arithmetic number, because the mean of its divisors is an integer number (11911146297876).

Almost surely, 2^{121002121121120} is an apocalyptic number.

121002121121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002121121120 is an abundant number, since it is smaller than the sum of its proper divisors (164865390027904).

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

121002121121120 is an equidigital number, since it uses as much as digits as its factorization.

121002121121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756263257022 (or 756263257014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121002121121120 its reverse (21121121200121), we get a palindrome (142123242321241).

The spelling of 121002121121120 in words is "one hundred twenty-one trillion, two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".