102321011 has 16 divisors (see below), whose sum is σ = 118335168. Its totient is φ = 87628800.

The previous prime is 102321007. The next prime is 102321017. The reversal of 102321011 is 110123201.

It is a cyclic number.

It is not a de Polignac number, because 102321011 - 2² = 102321007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102320983 and 102321001.

It is not an unprimeable number, because it can be changed into a prime (102321017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12431 + ... + 18951.

It is an arithmetic number, because the mean of its divisors is an integer number (7395948).

Almost surely, 2^102321011 is an apocalyptic number.

102321011 is a deficient number, since it is larger than the sum of its proper divisors (16014157).

102321011 is a wasteful number, since it uses less digits than its factorization.

102321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102321011 is about 10115.3848666277. The cubic root of 102321011 is about 467.7225127757.

Adding to 102321011 its reverse (110123201), we get a palindrome (212444212).

The spelling of 102321011 in words is "one hundred two million, three hundred twenty-one thousand, eleven".