102021022102213 has 4 divisors (see below), whose sum is σ = 102021144249388. Its totient is φ = 102020899955040.

The previous prime is 102021022102193. The next prime is 102021022102367. The reversal of 102021022102213 is 312201220120201.

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 67761329402529 + 34259692699684 = 8231727^2 + 5853178^2 .

It is a cyclic number.

It is not a de Polignac number, because 102021022102213 - 2¹³ = 102021022094021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021022105213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59812056 + ... + 61494097.

It is an arithmetic number, because the mean of its divisors is an integer number (25505286062347).

Almost surely, 2^{102021022102213} is an apocalyptic number.

It is an amenable number.

102021022102213 is a deficient number, since it is larger than the sum of its proper divisors (122147175).

102021022102213 is an equidigital number, since it uses as much as digits as its factorization.

102021022102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122147174.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102021022102213 its reverse (312201220120201), we get a palindrome (414222242222414).

The spelling of 102021022102213 in words is "one hundred two trillion, twenty-one billion, twenty-two million, one hundred two thousand, two hundred thirteen".