120210001001121 has 4 divisors (see below), whose sum is σ = 160280001334832. Its totient is φ = 80140000667412.

The previous prime is 120210001001081. The next prime is 120210001001261. The reversal of 120210001001121 is 121100100012021.

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 120210001001121 - 2¹¹ = 120210000999073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120210001001097 and 120210001001106.

It is not an unprimeable number, because it can be changed into a prime (120210001001921) 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, 20035000166851 + ... + 20035000166856.

It is an arithmetic number, because the mean of its divisors is an integer number (40070000333708).

Almost surely, 2^{120210001001121} is an apocalyptic number.

It is an amenable number.

120210001001121 is a deficient number, since it is larger than the sum of its proper divisors (40070000333711).

120210001001121 is an equidigital number, since it uses as much as digits as its factorization.

120210001001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40070000333710.

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

Adding to 120210001001121 its reverse (121100100012021), we get a palindrome (241310101013142).

The spelling of 120210001001121 in words is "one hundred twenty trillion, two hundred ten billion, one million, one thousand, one hundred twenty-one".