210020202021001 has 4 divisors (see below), whose sum is σ = 210031959313792. Its totient is φ = 210008444728212.

The previous prime is 210020202020969. The next prime is 210020202021017. The reversal of 210020202021001 is 100120202020012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210020202021001 - 2⁵ = 210020202020969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020202021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5878619601 + ... + 5878655326.

It is an arithmetic number, because the mean of its divisors is an integer number (52507989828448).

Almost surely, 2^{210020202021001} is an apocalyptic number.

It is an amenable number.

210020202021001 is a deficient number, since it is larger than the sum of its proper divisors (11757292791).

210020202021001 is a wasteful number, since it uses less digits than its factorization.

210020202021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757292790.

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

Adding to 210020202021001 its reverse (100120202020012), we get a palindrome (310140404041013).

The spelling of 210020202021001 in words is "two hundred ten trillion, twenty billion, two hundred two million, twenty-one thousand, one".