120222001901 has 2 divisors, whose sum is σ = 120222001902. Its totient is φ = 120222001900.

The previous prime is 120222001849. The next prime is 120222001969. The reversal of 120222001901 is 109100222021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119432448100 + 789553801 = 345590^2 + 28099^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222001901 - 2²⁶ = 120154893037 is a prime.

It is a super-2 number, since 2×120222001901² (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 (120222021901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111000950 + 60111000951.

It is an arithmetic number, because the mean of its divisors is an integer number (60111000951).

Almost surely, 2^120222001901 is an apocalyptic number.

It is an amenable number.

120222001901 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222001901 is an equidigital number, since it uses as much as digits as its factorization.

120222001901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120222001901 its reverse (109100222021), we get a palindrome (229322223922).

The spelling of 120222001901 in words is "one hundred twenty billion, two hundred twenty-two million, one thousand, nine hundred one".