120022021100221 has 4 divisors (see below), whose sum is σ = 126338969579200. Its totient is φ = 113705072621244.

The previous prime is 120022021100207. The next prime is 120022021100251. The reversal of 120022021100221 is 122001120220021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120022021100221 - 2³³ = 120013431165629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120022021100195 and 120022021100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022021100251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158474239461 + ... + 3158474239498.

It is an arithmetic number, because the mean of its divisors is an integer number (31584742394800).

Almost surely, 2^{120022021100221} is an apocalyptic number.

It is an amenable number.

120022021100221 is a deficient number, since it is larger than the sum of its proper divisors (6316948478979).

120022021100221 is an equidigital number, since it uses as much as digits as its factorization.

120022021100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316948478978.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120022021100221 its reverse (122001120220021), we get a palindrome (242023141320242).

The spelling of 120022021100221 in words is "one hundred twenty trillion, twenty-two billion, twenty-one million, one hundred thousand, two hundred twenty-one".