120202122001 has 4 divisors (see below), whose sum is σ = 129448439092. Its totient is φ = 110955804912.

The previous prime is 120202121951. The next prime is 120202122013. The reversal of 120202122001 is 100221202021.

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 69835990225 + 50366131776 = 264265^2 + 224424^2 .

It is a cyclic number.

It is not a de Polignac number, because 120202122001 - 2³¹ = 118054638353 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: 9246317077 = 120202122001 / (1 + 2 + 0 + 2 + 0 + 2 + 1 + 2 + 2 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120202122031) 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, 4623158526 + ... + 4623158551.

It is an arithmetic number, because the mean of its divisors is an integer number (32362109773).

Almost surely, 2^120202122001 is an apocalyptic number.

It is an amenable number.

120202122001 is a deficient number, since it is larger than the sum of its proper divisors (9246317091).

120202122001 is an equidigital number, since it uses as much as digits as its factorization.

120202122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246317090.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120202122001 its reverse (100221202021), we get a palindrome (220423324022).

The spelling of 120202122001 in words is "one hundred twenty billion, two hundred two million, one hundred twenty-two thousand, one".