102231111 has 8 divisors (see below), whose sum is σ = 139992304. Its totient is φ = 66312000.

The previous prime is 102231109. The next prime is 102231127. The reversal of 102231111 is 111132201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102231111 - 2¹ = 102231109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460390 + ... + 460611.

It is an arithmetic number, because the mean of its divisors is an integer number (17499038).

Almost surely, 2^102231111 is an apocalyptic number.

102231111 is a deficient number, since it is larger than the sum of its proper divisors (37761193).

102231111 is an equidigital number, since it uses as much as digits as its factorization.

102231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921041.

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

The square root of 102231111 is about 10110.9401640006. The cubic root of 102231111 is about 467.5854911476.

Adding to 102231111 its reverse (111132201), we get a palindrome (213363312).

The spelling of 102231111 in words is "one hundred two million, two hundred thirty-one thousand, one hundred eleven".