103311222111 has 24 divisors (see below), whose sum is σ = 149627512320. Its totient is φ = 68689630800.

The previous prime is 103311222103. The next prime is 103311222197. The reversal of 103311222111 is 111222113301.

103311222111 is a `hidden beast` number, since 1 + 0 + 331 + 1 + 222 + 111 = 666.

It is not a de Polignac number, because 103311222111 - 2³ = 103311222103 is a prime.

It is a super-2 number, since 2×103311222111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7766376 + ... + 7779666.

It is an arithmetic number, because the mean of its divisors is an integer number (6234479680).

Almost surely, 2^103311222111 is an apocalyptic number.

103311222111 is a deficient number, since it is larger than the sum of its proper divisors (46316290209).

103311222111 is a wasteful number, since it uses less digits than its factorization.

103311222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15547 (or 15544 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 103311222111 its reverse (111222113301), we get a palindrome (214533335412).

The spelling of 103311222111 in words is "one hundred three billion, three hundred eleven million, two hundred twenty-two thousand, one hundred eleven".