120102321001 has 4 divisors (see below), whose sum is σ = 129340961092. Its totient is φ = 110863680912.

The previous prime is 120102320993. The next prime is 120102321013. The reversal of 120102321001 is 100123201021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9628515625 + 110473805376 = 98125^2 + 332376^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102321001 - 2³ = 120102320993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 9238640077 = 120102321001 / (1 + 2 + 0 + 1 + 0 + 2 + 3 + 2 + 1 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102321061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619320026 + ... + 4619320051.

It is an arithmetic number, because the mean of its divisors is an integer number (32335240273).

Almost surely, 2^120102321001 is an apocalyptic number.

It is an amenable number.

120102321001 is a deficient number, since it is larger than the sum of its proper divisors (9238640091).

120102321001 is an equidigital number, since it uses as much as digits as its factorization.

120102321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9238640090.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120102321001 its reverse (100123201021), we get a palindrome (220225522022).

The spelling of 120102321001 in words is "one hundred twenty billion, one hundred two million, three hundred twenty-one thousand, one".