202120103001 has 16 divisors (see below), whose sum is σ = 270610329024. Its totient is φ = 134189285184.

The previous prime is 202120102927. The next prime is 202120103027. The reversal of 202120103001 is 100301021202.

It is not a de Polignac number, because 202120103001 - 2¹³ = 202120094809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202120102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707871 + ... + 951483.

It is an arithmetic number, because the mean of its divisors is an integer number (16913145564).

Almost surely, 2^202120103001 is an apocalyptic number.

It is an amenable number.

202120103001 is a deficient number, since it is larger than the sum of its proper divisors (68490226023).

202120103001 is a wasteful number, since it uses less digits than its factorization.

202120103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244760.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 202120103001 its reverse (100301021202), we get a palindrome (302421124203).

The spelling of 202120103001 in words is "two hundred two billion, one hundred twenty million, one hundred three thousand, one".