120010201121021 has 16 divisors (see below), whose sum is σ = 120473347680000. Its totient is φ = 119547826075776.

The previous prime is 120010201121003. The next prime is 120010201121071. The reversal of 120010201121021 is 120121102010021.

It is a cyclic number.

It is not a de Polignac number, because 120010201121021 - 2²⁶ = 120010134012157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120010201120987 and 120010201121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010201121071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646894375 + ... + 1646967243.

It is an arithmetic number, because the mean of its divisors is an integer number (7529584230000).

Almost surely, 2^{120010201121021} is an apocalyptic number.

It is an amenable number.

120010201121021 is a deficient number, since it is larger than the sum of its proper divisors (463146558979).

120010201121021 is a wasteful number, since it uses less digits than its factorization.

120010201121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78076.

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

Adding to 120010201121021 its reverse (120121102010021), we get a palindrome (240131303131042).

The spelling of 120010201121021 in words is "one hundred twenty trillion, ten billion, two hundred one million, one hundred twenty-one thousand, twenty-one".