120221212100401 has 2 divisors, whose sum is σ = 120221212100402. Its totient is φ = 120221212100400.

The previous prime is 120221212100387. The next prime is 120221212100537. The reversal of 120221212100401 is 104001212122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111274227795600 + 8946984304801 = 10548660^2 + 2991151^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221212100401 - 2⁹ = 120221212099889 is a prime.

It is not a weakly prime, because it can be changed into another prime (120221215100401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110606050200 + 60110606050201.

It is an arithmetic number, because the mean of its divisors is an integer number (60110606050201).

Almost surely, 2^{120221212100401} is an apocalyptic number.

It is an amenable number.

120221212100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221212100401 is an equidigital number, since it uses as much as digits as its factorization.

120221212100401 is an evil number, because the sum of its binary digits is even.

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

Adding to 120221212100401 its reverse (104001212122021), we get a palindrome (224222424222422).

The spelling of 120221212100401 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, four hundred one".