102022213123 has 4 divisors (see below), whose sum is σ = 105313252288. Its totient is φ = 98731173960.

The previous prime is 102022213103. The next prime is 102022213129. The reversal of 102022213123 is 321312220201.

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 102022213123 - 2²¹ = 102020115971 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 102022213123.

It is not an unprimeable number, because it can be changed into a prime (102022213129) 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, 1645519536 + ... + 1645519597.

It is an arithmetic number, because the mean of its divisors is an integer number (26328313072).

Almost surely, 2^102022213123 is an apocalyptic number.

102022213123 is a deficient number, since it is larger than the sum of its proper divisors (3291039165).

102022213123 is an equidigital number, since it uses as much as digits as its factorization.

102022213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291039164.

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

Adding to 102022213123 its reverse (321312220201), we get a palindrome (423334433324).

The spelling of 102022213123 in words is "one hundred two billion, twenty-two million, two hundred thirteen thousand, one hundred twenty-three".