120201000022121 has 4 divisors (see below), whose sum is σ = 120282713823744. Its totient is φ = 120119286220500.

The previous prime is 120201000022111. The next prime is 120201000022163. The reversal of 120201000022121 is 121220000102021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120201000022121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120201000022096 and 120201000022105.

It is not an unprimeable number, because it can be changed into a prime (120201000022111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40856898605 + ... + 40856901546.

It is an arithmetic number, because the mean of its divisors is an integer number (30070678455936).

Almost surely, 2^{120201000022121} is an apocalyptic number.

It is an amenable number.

120201000022121 is a deficient number, since it is larger than the sum of its proper divisors (81713801623).

120201000022121 is an equidigital number, since it uses as much as digits as its factorization.

120201000022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81713801622.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120201000022121 its reverse (121220000102021), we get a palindrome (241421000124142).

The spelling of 120201000022121 in words is "one hundred twenty trillion, two hundred one billion, twenty-two thousand, one hundred twenty-one".