120101010200121 has 4 divisors (see below), whose sum is σ = 160134680266832. Its totient is φ = 80067340133412.

The previous prime is 120101010200063. The next prime is 120101010200123. The reversal of 120101010200121 is 121002010101021.

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 not a de Polignac number, because 120101010200121 - 2²⁹ = 120100473329209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101010200097 and 120101010200106.

It is not an unprimeable number, because it can be changed into a prime (120101010200123) 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, 20016835033351 + ... + 20016835033356.

It is an arithmetic number, because the mean of its divisors is an integer number (40033670066708).

Almost surely, 2^{120101010200121} is an apocalyptic number.

It is an amenable number.

120101010200121 is a deficient number, since it is larger than the sum of its proper divisors (40033670066711).

120101010200121 is an equidigital number, since it uses as much as digits as its factorization.

120101010200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40033670066710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120101010200121 its reverse (121002010101021), we get a palindrome (241103020301142).

The spelling of 120101010200121 in words is "one hundred twenty trillion, one hundred one billion, ten million, two hundred thousand, one hundred twenty-one".