202104223001 has 4 divisors (see below), whose sum is σ = 202110386100. Its totient is φ = 202098059904.

The previous prime is 202104222961. The next prime is 202104223003. The reversal of 202104223001 is 100322401202.

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 154841463001 + 47262760000 = 393499^2 + 217400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202104223001 is a prime.

It is a super-2 number, since 2×202104223001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202104223003) 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, 3032096 + ... + 3098033.

It is an arithmetic number, because the mean of its divisors is an integer number (50527596525).

Almost surely, 2^202104223001 is an apocalyptic number.

It is an amenable number.

202104223001 is a deficient number, since it is larger than the sum of its proper divisors (6163099).

202104223001 is an equidigital number, since it uses as much as digits as its factorization.

202104223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163098.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202104223001 its reverse (100322401202), we get a palindrome (302426624203).

The spelling of 202104223001 in words is "two hundred two billion, one hundred four million, two hundred twenty-three thousand, one".