102213322021 has 4 divisors (see below), whose sum is σ = 102216492000. Its totient is φ = 102210152044.

The previous prime is 102213322007. The next prime is 102213322039. The reversal of 102213322021 is 120223312201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102213322021 - 2⁷ = 102213321893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102213322021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213382021) 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, 1536121 + ... + 1601278.

It is an arithmetic number, because the mean of its divisors is an integer number (25554123000).

Almost surely, 2^102213322021 is an apocalyptic number.

It is an amenable number.

102213322021 is a deficient number, since it is larger than the sum of its proper divisors (3169979).

102213322021 is an equidigital number, since it uses as much as digits as its factorization.

102213322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169978.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102213322021 its reverse (120223312201), we get a palindrome (222436634222).

The spelling of 102213322021 in words is "one hundred two billion, two hundred thirteen million, three hundred twenty-two thousand, twenty-one".