120002010021121 has 8 divisors (see below), whose sum is σ = 120034324707840. Its totient is φ = 119969698595712.

The previous prime is 120002010021067. The next prime is 120002010021151. The reversal of 120002010021121 is 121120010200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120002010021121 - 2¹⁵ = 120002009988353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120002010021151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73700520 + ... + 75311158.

It is an arithmetic number, because the mean of its divisors is an integer number (15004290588480).

Almost surely, 2^{120002010021121} is an apocalyptic number.

It is an amenable number.

120002010021121 is a deficient number, since it is larger than the sum of its proper divisors (32314686719).

120002010021121 is a wasteful number, since it uses less digits than its factorization.

120002010021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630655.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120002010021121 its reverse (121120010200021), we get a palindrome (241122020221142).

The spelling of 120002010021121 in words is "one hundred twenty trillion, two billion, ten million, twenty-one thousand, one hundred twenty-one".