120312211322101 has 4 divisors (see below), whose sum is σ = 120339302569804. Its totient is φ = 120285120074400.

The previous prime is 120312211322087. The next prime is 120312211322123. The reversal of 120312211322101 is 101223112213021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93998337935076 + 26313873387025 = 9695274^2 + 5129705^2 .

It is a cyclic number.

It is not a de Polignac number, because 120312211322101 - 2¹¹ = 120312211320053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120312211322161) 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, 13545617190 + ... + 13545626071.

It is an arithmetic number, because the mean of its divisors is an integer number (30084825642451).

Almost surely, 2^{120312211322101} is an apocalyptic number.

It is an amenable number.

120312211322101 is a deficient number, since it is larger than the sum of its proper divisors (27091247703).

120312211322101 is an equidigital number, since it uses as much as digits as its factorization.

120312211322101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27091247702.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 120312211322101 its reverse (101223112213021), we get a palindrome (221535323535122).

The spelling of 120312211322101 in words is "one hundred twenty trillion, three hundred twelve billion, two hundred eleven million, three hundred twenty-two thousand, one hundred one".