120201010121 has 4 divisors (see below), whose sum is σ = 120207123072. Its totient is φ = 120194897172.

The previous prime is 120201010081. The next prime is 120201010157. The reversal of 120201010121 is 121010102021.

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 not a de Polignac number, because 120201010121 - 2⁶ = 120201010057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201018121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026885 + ... + 3066338.

It is an arithmetic number, because the mean of its divisors is an integer number (30051780768).

Almost surely, 2^120201010121 is an apocalyptic number.

It is an amenable number.

120201010121 is a deficient number, since it is larger than the sum of its proper divisors (6112951).

120201010121 is an equidigital number, since it uses as much as digits as its factorization.

120201010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112950.

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

Adding to 120201010121 its reverse (121010102021), we get a palindrome (241211112142).

The spelling of 120201010121 in words is "one hundred twenty billion, two hundred one million, ten thousand, one hundred twenty-one".