120120202221 has 8 divisors (see below), whose sum is σ = 160171084704. Its totient is φ = 80074727280.

The previous prime is 120120202171. The next prime is 120120202243. The reversal of 120120202221 is 122202021021.

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

It is not a de Polignac number, because 120120202221 - 2⁷ = 120120202093 is a prime.

It is a super-2 number, since 2×120120202221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120120202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120202121) 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, 1299766 + ... + 1389111.

It is an arithmetic number, because the mean of its divisors is an integer number (20021385588).

Almost surely, 2^120120202221 is an apocalyptic number.

It is an amenable number.

120120202221 is a deficient number, since it is larger than the sum of its proper divisors (40050882483).

120120202221 is a wasteful number, since it uses less digits than its factorization.

120120202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703771.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120120202221 its reverse (122202021021), we get a palindrome (242322223242).

The spelling of 120120202221 in words is "one hundred twenty billion, one hundred twenty million, two hundred two thousand, two hundred twenty-one".