102321112011 has 4 divisors (see below), whose sum is σ = 136428149352. Its totient is φ = 68214074672.

The previous prime is 102321111979. The next prime is 102321112051. The reversal of 102321112011 is 110211123201.

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 102321112011 - 2⁵ = 102321111979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102321112051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17053518666 + ... + 17053518671.

It is an arithmetic number, because the mean of its divisors is an integer number (34107037338).

Almost surely, 2^102321112011 is an apocalyptic number.

102321112011 is a deficient number, since it is larger than the sum of its proper divisors (34107037341).

102321112011 is an equidigital number, since it uses as much as digits as its factorization.

102321112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34107037340.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102321112011 its reverse (110211123201), we get a palindrome (212532235212).

The spelling of 102321112011 in words is "one hundred two billion, three hundred twenty-one million, one hundred twelve thousand, eleven".