120221200020001 has 4 divisors (see below), whose sum is σ = 120567658810032. Its totient is φ = 119874741229972.

The previous prime is 120221200019969. The next prime is 120221200020013. The reversal of 120221200020001 is 100020002122021.

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 120221200020001 - 2⁵ = 120221200019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221200120001) 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, 173229394495 + ... + 173229395188.

It is an arithmetic number, because the mean of its divisors is an integer number (30141914702508).

Almost surely, 2^{120221200020001} is an apocalyptic number.

It is an amenable number.

120221200020001 is a deficient number, since it is larger than the sum of its proper divisors (346458790031).

120221200020001 is an equidigital number, since it uses as much as digits as its factorization.

120221200020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346458790030.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120221200020001 its reverse (100020002122021), we get a palindrome (220241202142022).

The spelling of 120221200020001 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred million, twenty thousand, one".