120023102221 has 4 divisors (see below), whose sum is σ = 130934293344. Its totient is φ = 109111911100.

The previous prime is 120023102203. The next prime is 120023102231. The reversal of 120023102221 is 122201320021.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122201320021 = 11 ⋅11109210911.

It is a cyclic number.

It is not a de Polignac number, because 120023102221 - 2¹⁹ = 120022577933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120023102195 and 120023102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023102231) 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, 5455595545 + ... + 5455595566.

It is an arithmetic number, because the mean of its divisors is an integer number (32733573336).

Almost surely, 2^120023102221 is an apocalyptic number.

120023102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120023102221 is a deficient number, since it is larger than the sum of its proper divisors (10911191123).

120023102221 is a wasteful number, since it uses less digits than its factorization.

120023102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911191122.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120023102221 its reverse (122201320021), we get a palindrome (242224422242).

The spelling of 120023102221 in words is "one hundred twenty billion, twenty-three million, one hundred two thousand, two hundred twenty-one".