120020102100221 has 8 divisors (see below), whose sum is σ = 126441102076320. Its totient is φ = 113609517373872.

The previous prime is 120020102100137. The next prime is 120020102100229. The reversal of 120020102100221 is 122001201020021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020102100221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020102100196 and 120020102100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020102100229) 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, 2603788775 + ... + 2603834868.

It is an arithmetic number, because the mean of its divisors is an integer number (15805137759540).

Almost surely, 2^{120020102100221} is an apocalyptic number.

It is an amenable number.

120020102100221 is a deficient number, since it is larger than the sum of its proper divisors (6420999976099).

120020102100221 is a wasteful number, since it uses less digits than its factorization.

120020102100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207624875.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120020102100221 its reverse (122001201020021), we get a palindrome (242021303120242).

The spelling of 120020102100221 in words is "one hundred twenty trillion, twenty billion, one hundred two million, one hundred thousand, two hundred twenty-one".