120102121020221 has 8 divisors (see below), whose sum is σ = 120193682847744. Its totient is φ = 120010572667440.

The previous prime is 120102121020197. The next prime is 120102121020319. The reversal of 120102121020221 is 122020121201021.

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 120102121020221 - 2⁶ = 120102121020157 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 120102121020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102121070221) 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, 14500475 + ... + 21224231.

It is an arithmetic number, because the mean of its divisors is an integer number (15024210355968).

Almost surely, 2^{120102121020221} is an apocalyptic number.

It is an amenable number.

120102121020221 is a deficient number, since it is larger than the sum of its proper divisors (91561827523).

120102121020221 is a wasteful number, since it uses less digits than its factorization.

120102121020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737371.

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

Adding to 120102121020221 its reverse (122020121201021), we get a palindrome (242122242221242).

The spelling of 120102121020221 in words is "one hundred twenty trillion, one hundred two billion, one hundred twenty-one million, twenty thousand, two hundred twenty-one".