101200000120121 has 16 divisors (see below), whose sum is σ = 116184090700800. Its totient is φ = 86348481133200.

The previous prime is 101200000120049. The next prime is 101200000120151. The reversal of 101200000120121 is 121021000002101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101200000120121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101200000120151) 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, 33322355 + ... + 36232296.

It is an arithmetic number, because the mean of its divisors is an integer number (7261505668800).

Almost surely, 2^{101200000120121} is an apocalyptic number.

It is an amenable number.

101200000120121 is a deficient number, since it is larger than the sum of its proper divisors (14984090580679).

101200000120121 is an equidigital number, since it uses as much as digits as its factorization.

101200000120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69555604.

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

Adding to 101200000120121 its reverse (121021000002101), we get a palindrome (222221000122222).

The spelling of 101200000120121 in words is "one hundred one trillion, two hundred billion, one hundred twenty thousand, one hundred twenty-one".