10012321111 has 16 divisors (see below), whose sum is σ = 11613965440. Its totient is φ = 8552083680.

The previous prime is 10012321091. The next prime is 10012321157. The reversal of 10012321111 is 11112321001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10012321111 - 2⁹ = 10012320599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012321091 and 10012321100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012321171) 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 15 ways as a sum of consecutive naturals, for example, 460725 + ... + 481966.

It is an arithmetic number, because the mean of its divisors is an integer number (725872840).

Almost surely, 2^10012321111 is an apocalyptic number.

10012321111 is a deficient number, since it is larger than the sum of its proper divisors (1601644329).

10012321111 is a wasteful number, since it uses less digits than its factorization.

10012321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942766.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10012321111 its reverse (11112321001), we get a palindrome (21124642112).

The spelling of 10012321111 in words is "ten billion, twelve million, three hundred twenty-one thousand, one hundred eleven".