102320022011 has 4 divisors (see below), whose sum is σ = 102507079272. Its totient is φ = 102132964752.

The previous prime is 102320021987. The next prime is 102320022017. The reversal of 102320022011 is 110220023201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102320022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102320022017) 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, 93527810 + ... + 93528903.

It is an arithmetic number, because the mean of its divisors is an integer number (25626769818).

Almost surely, 2^102320022011 is an apocalyptic number.

102320022011 is a deficient number, since it is larger than the sum of its proper divisors (187057261).

102320022011 is an equidigital number, since it uses as much as digits as its factorization.

102320022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187057260.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102320022011 its reverse (110220023201), we get a palindrome (212540045212).

The spelling of 102320022011 in words is "one hundred two billion, three hundred twenty million, twenty-two thousand, eleven".