120202212221 has 8 divisors (see below), whose sum is σ = 147941184384. Its totient is φ = 95105046960.

The previous prime is 120202212203. The next prime is 120202212253. The reversal of 120202212221 is 122212202021.

It is a happy number.

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

It is not a de Polignac number, because 120202212221 - 2⁶ = 120202212157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120202212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202212121) 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, 660451625 + ... + 660451806.

It is an arithmetic number, because the mean of its divisors is an integer number (18492648048).

Almost surely, 2^120202212221 is an apocalyptic number.

It is an amenable number.

120202212221 is a deficient number, since it is larger than the sum of its proper divisors (27738972163).

120202212221 is a wasteful number, since it uses less digits than its factorization.

120202212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320903451.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120202212221 its reverse (122212202021), we get a palindrome (242414414242).

The spelling of 120202212221 in words is "one hundred twenty billion, two hundred two million, two hundred twelve thousand, two hundred twenty-one".