120211012110221 has 4 divisors (see below), whose sum is σ = 120294549993600. Its totient is φ = 120127474226844.

The previous prime is 120211012110179. The next prime is 120211012110257. The reversal of 120211012110221 is 122011210112021.

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 120211012110221 - 2¹⁰ = 120211012109197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120211012110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211012118221) 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, 41768939531 + ... + 41768942408.

It is an arithmetic number, because the mean of its divisors is an integer number (30073637498400).

Almost surely, 2^{120211012110221} is an apocalyptic number.

It is an amenable number.

120211012110221 is a deficient number, since it is larger than the sum of its proper divisors (83537883379).

120211012110221 is an equidigital number, since it uses as much as digits as its factorization.

120211012110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83537883378.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120211012110221 its reverse (122011210112021), we get a palindrome (242222222222242).

The spelling of 120211012110221 in words is "one hundred twenty trillion, two hundred eleven billion, twelve million, one hundred ten thousand, two hundred twenty-one".