102213321023 has 4 divisors (see below), whose sum is σ = 111505441128. Its totient is φ = 92921200920.

The previous prime is 102213321019. The next prime is 102213321037. The reversal of 102213321023 is 320123312201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102213321023 - 2² = 102213321019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102213320986 and 102213321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213321013) 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, 4646060036 + ... + 4646060057.

It is an arithmetic number, because the mean of its divisors is an integer number (27876360282).

Almost surely, 2^102213321023 is an apocalyptic number.

102213321023 is a deficient number, since it is larger than the sum of its proper divisors (9292120105).

102213321023 is an equidigital number, since it uses as much as digits as its factorization.

102213321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292120104.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102213321023 its reverse (320123312201), we get a palindrome (422336633224).

The spelling of 102213321023 in words is "one hundred two billion, two hundred thirteen million, three hundred twenty-one thousand, twenty-three".