120102021001 has 8 divisors (see below), whose sum is σ = 120721541184. Its totient is φ = 119482975920.

The previous prime is 120102020999. The next prime is 120102021047. The reversal of 120102021001 is 100120201021.

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 120102021001 - 2¹ = 120102020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102021601) 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, 393795 + ... + 628711.

It is an arithmetic number, because the mean of its divisors is an integer number (15090192648).

Almost surely, 2^120102021001 is an apocalyptic number.

It is an amenable number.

120102021001 is a deficient number, since it is larger than the sum of its proper divisors (619520183).

120102021001 is a wasteful number, since it uses less digits than its factorization.

120102021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237551.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120102021001 its reverse (100120201021), we get a palindrome (220222222022).

The spelling of 120102021001 in words is "one hundred twenty billion, one hundred two million, twenty-one thousand, one".