120200210121221 has 8 divisors (see below), whose sum is σ = 128485484414784. Its totient is φ = 112169867344480.

The previous prime is 120200210121181. The next prime is 120200210121259. The reversal of 120200210121221 is 122121012002021.

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 120200210121221 - 2⁶ = 120200210121157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120200210121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200210121521) 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, 63732878231 + ... + 63732880116.

It is an arithmetic number, because the mean of its divisors is an integer number (16060685551848).

Almost surely, 2^{120200210121221} is an apocalyptic number.

It is an amenable number.

120200210121221 is a deficient number, since it is larger than the sum of its proper divisors (8285274293563).

120200210121221 is a wasteful number, since it uses less digits than its factorization.

120200210121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127465758411.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120200210121221 its reverse (122121012002021), we get a palindrome (242321222123242).

The spelling of 120200210121221 in words is "one hundred twenty trillion, two hundred billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-one".