102022220231213 has 4 divisors (see below), whose sum is σ = 102245463601980. Its totient is φ = 101798976860448.

The previous prime is 102022220231179. The next prime is 102022220231227. The reversal of 102022220231213 is 312132022220201.

It is a happy number.

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 83488661407369 + 18533558823844 = 9137213^2 + 4305062^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022220231213 - 2⁶ = 102022220231149 is a prime.

It is a super-3 number, since 3×102022220231213³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022220231513) 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, 111621684698 + ... + 111621685611.

It is an arithmetic number, because the mean of its divisors is an integer number (25561365900495).

Almost surely, 2^{102022220231213} is an apocalyptic number.

It is an amenable number.

102022220231213 is a deficient number, since it is larger than the sum of its proper divisors (223243370767).

102022220231213 is an equidigital number, since it uses as much as digits as its factorization.

102022220231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223243370766.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102022220231213 its reverse (312132022220201), we get a palindrome (414154242451414).

The spelling of 102022220231213 in words is "one hundred two trillion, twenty-two billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirteen".