103331121111 has 12 divisors (see below), whose sum is σ = 153290011992. Its totient is φ = 67025591856.

The previous prime is 103331121109. The next prime is 103331121119. The reversal of 103331121111 is 111121133301.

103331121111 is a `hidden beast` number, since 103 + 331 + 121 + 111 = 666.

It is not a de Polignac number, because 103331121111 - 2¹ = 103331121109 is a prime.

It is a super-2 number, since 2×103331121111² (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 (103331121119) 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 11 ways as a sum of consecutive naturals, for example, 155151501 + ... + 155152166.

It is an arithmetic number, because the mean of its divisors is an integer number (12774167666).

Almost surely, 2^103331121111 is an apocalyptic number.

103331121111 is a deficient number, since it is larger than the sum of its proper divisors (49958890881).

103331121111 is a wasteful number, since it uses less digits than its factorization.

103331121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310303710 (or 310303707 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 103331121111 its reverse (111121133301), we get a palindrome (214452254412).

The spelling of 103331121111 in words is "one hundred three billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred eleven".