120110210222221 has 4 divisors (see below), whose sum is σ = 120142095070752. Its totient is φ = 120078325373692.

The previous prime is 120110210222161. The next prime is 120110210222251. The reversal of 120110210222221 is 122222012011021.

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 a de Polignac number, because none of the positive numbers 2^k-120110210222221 is a prime.

It is a super-2 number, since 2×120110210222221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110210222251) 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, 15942418615 + ... + 15942426148.

It is an arithmetic number, because the mean of its divisors is an integer number (30035523767688).

Almost surely, 2^{120110210222221} is an apocalyptic number.

It is an amenable number.

120110210222221 is a deficient number, since it is larger than the sum of its proper divisors (31884848531).

120110210222221 is an equidigital number, since it uses as much as digits as its factorization.

120110210222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31884848530.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120110210222221 its reverse (122222012011021), we get a palindrome (242332222233242).

The spelling of 120110210222221 in words is "one hundred twenty trillion, one hundred ten billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".