102023210120213 has 4 divisors (see below), whose sum is σ = 108024575421420. Its totient is φ = 96021844819008.

The previous prime is 102023210120171. The next prime is 102023210120239. The reversal of 102023210120213 is 312021012320201.

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 32002078933444 + 70021131186769 = 5657038^2 + 8367863^2 .

It is a cyclic number.

It is not a de Polignac number, because 102023210120213 - 2¹⁸ = 102023209858069 is a prime.

It is a super-2 number, since 2×102023210120213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023210120813) 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, 3000682650578 + ... + 3000682650611.

It is an arithmetic number, because the mean of its divisors is an integer number (27006143855355).

Almost surely, 2^{102023210120213} is an apocalyptic number.

It is an amenable number.

102023210120213 is a deficient number, since it is larger than the sum of its proper divisors (6001365301207).

102023210120213 is an equidigital number, since it uses as much as digits as its factorization.

102023210120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001365301206.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102023210120213 its reverse (312021012320201), we get a palindrome (414044222440414).

The spelling of 102023210120213 in words is "one hundred two trillion, twenty-three billion, two hundred ten million, one hundred twenty thousand, two hundred thirteen".