101222111 has 8 divisors (see below), whose sum is σ = 103194000. Its totient is φ = 99258880.

The previous prime is 101222083. The next prime is 101222113. The reversal of 101222111 is 111222101.

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

It is a cyclic number.

It is not a de Polignac number, because 101222111 - 2²² = 97027807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101222092 and 101222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24581 + ... + 28401.

It is an arithmetic number, because the mean of its divisors is an integer number (12899250).

Almost surely, 2^101222111 is an apocalyptic number.

101222111 is a deficient number, since it is larger than the sum of its proper divisors (1971889).

101222111 is an equidigital number, since it uses as much as digits as its factorization.

101222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 101222111 is about 10060.9199877546. The cubic root of 101222111 is about 466.0420780832.

Adding to 101222111 its reverse (111222101), we get a palindrome (212444212).

The spelling of 101222111 in words is "one hundred one million, two hundred twenty-two thousand, one hundred eleven".