120102202001 has 4 divisors (see below), whose sum is σ = 120104453412. Its totient is φ = 120099950592.

The previous prime is 120102201979. The next prime is 120102202019. The reversal of 120102202001 is 100202201021.

It is a happy number.

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 27335662225 + 92766539776 = 165335^2 + 304576^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102202001 - 2¹⁸ = 120101939857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102202901) 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, 1043696 + ... + 1153041.

It is an arithmetic number, because the mean of its divisors is an integer number (30026113353).

Almost surely, 2^120102202001 is an apocalyptic number.

It is an amenable number.

120102202001 is a deficient number, since it is larger than the sum of its proper divisors (2251411).

120102202001 is an equidigital number, since it uses as much as digits as its factorization.

120102202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251410.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120102202001 its reverse (100202201021), we get a palindrome (220304403022).

The spelling of 120102202001 in words is "one hundred twenty billion, one hundred two million, two hundred two thousand, one".