120202201112221 has 4 divisors (see below), whose sum is σ = 120204495668992. Its totient is φ = 120199906555452.

The previous prime is 120202201112207. The next prime is 120202201112233. The reversal of 120202201112221 is 122211102202021.

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 120202201112221 - 2³¹ = 120200053628573 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 (120202201112251) 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, 1147199805 + ... + 1147304578.

It is an arithmetic number, because the mean of its divisors is an integer number (30051123917248).

Almost surely, 2^{120202201112221} is an apocalyptic number.

It is an amenable number.

120202201112221 is a deficient number, since it is larger than the sum of its proper divisors (2294556771).

120202201112221 is an equidigital number, since it uses as much as digits as its factorization.

120202201112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294556770.

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

Adding to 120202201112221 its reverse (122211102202021), we get a palindrome (242413303314242).

The spelling of 120202201112221 in words is "one hundred twenty trillion, two hundred two billion, two hundred one million, one hundred twelve thousand, two hundred twenty-one".