120121122002120 has 16 divisors (see below), whose sum is σ = 270272524504860. Its totient is φ = 48048448800832.

The previous prime is 120121122002099. The next prime is 120121122002159. The reversal of 120121122002120 is 21200221121021.

It can be written as a sum of positive squares in 2 ways, for example, as 113510145124996 + 6610976877124 = 10654114^2 + 2571182^2 .

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, 1501514024987 + ... + 1501514025066.

Almost surely, 2^{120121122002120} is an apocalyptic number.

120121122002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121122002120 is an abundant number, since it is smaller than the sum of its proper divisors (150151402502740).

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

120121122002120 is a wasteful number, since it uses less digits than its factorization.

120121122002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003028050064 (or 3003028050060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120121122002120 its reverse (21200221121021), we get a palindrome (141321343123141).

The spelling of 120121122002120 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, two thousand, one hundred twenty".