103220111 has 8 divisors (see below), whose sum is σ = 107587584. Its totient is φ = 98917560.

The previous prime is 103220099. The next prime is 103220119. The reversal of 103220111 is 111022301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103220111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103220092 and 103220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220119) 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, 12971 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (13448448).

Almost surely, 2^103220111 is an apocalyptic number.

103220111 is a deficient number, since it is larger than the sum of its proper divisors (4367473).

103220111 is a wasteful number, since it uses less digits than its factorization.

103220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32461.

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

The square root of 103220111 is about 10159.7298684561. The cubic root of 103220111 is about 469.0884868721.

Adding to 103220111 its reverse (111022301), we get a palindrome (214242412).

The spelling of 103220111 in words is "one hundred three million, two hundred twenty thousand, one hundred eleven".