120022223221 has 2 divisors, whose sum is σ = 120022223222. Its totient is φ = 120022223220.

The previous prime is 120022223203. The next prime is 120022223231. The reversal of 120022223221 is 122322220021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113191200721 + 6831022500 = 336439^2 + 82650^2 .

It is a cyclic number.

It is not a de Polignac number, because 120022223221 - 2¹⁹ = 120021698933 is a prime.

It is a super-2 number, since 2×120022223221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120022223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011111610 + 60011111611.

It is an arithmetic number, because the mean of its divisors is an integer number (60011111611).

Almost surely, 2^120022223221 is an apocalyptic number.

It is an amenable number.

120022223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120022223221 is an equidigital number, since it uses as much as digits as its factorization.

120022223221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 120022223221 its reverse (122322220021), we get a palindrome (242344443242).

The spelling of 120022223221 in words is "one hundred twenty billion, twenty-two million, two hundred twenty-three thousand, two hundred twenty-one".