210202021023 has 8 divisors (see below), whose sum is σ = 280324261248. Its totient is φ = 140107230744.

The previous prime is 210202020961. The next prime is 210202021027. The reversal of 210202021023 is 320120202012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210202021023 - 2¹⁰ = 210202019999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210202020993 and 210202021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210202021027) 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 7 ways as a sum of consecutive naturals, for example, 6844611 + ... + 6875252.

It is an arithmetic number, because the mean of its divisors is an integer number (35040532656).

Almost surely, 2^210202021023 is an apocalyptic number.

210202021023 is a deficient number, since it is larger than the sum of its proper divisors (70122240225).

210202021023 is a wasteful number, since it uses less digits than its factorization.

210202021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724973.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 210202021023 its reverse (320120202012), we get a palindrome (530322223035).

The spelling of 210202021023 in words is "two hundred ten billion, two hundred two million, twenty-one thousand, twenty-three".