120221212220101 has 8 divisors (see below), whose sum is σ = 120378293022680. Its totient is φ = 120064133357568.

The previous prime is 120221212220077. The next prime is 120221212220111. The reversal of 120221212220101 is 101022212122021.

It can be written as a sum of positive squares in 4 ways, for example, as 10992606560100 + 109228605660001 = 3315510^2 + 10451249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120221212220101 - 2³⁵ = 120186852481733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221212220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156798865 + ... + 157563721.

It is an arithmetic number, because the mean of its divisors is an integer number (15047286627835).

Almost surely, 2^{120221212220101} is an apocalyptic number.

It is an amenable number.

120221212220101 is a deficient number, since it is larger than the sum of its proper divisors (157080802579).

120221212220101 is an equidigital number, since it uses as much as digits as its factorization.

120221212220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970023.

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

Adding to 120221212220101 its reverse (101022212122021), we get a palindrome (221243424342122).

The spelling of 120221212220101 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty thousand, one hundred one".