103111355612 has 24 divisors (see below), whose sum is σ = 183421801920. Its totient is φ = 50705300160.

The previous prime is 103111355561. The next prime is 103111355617. The reversal of 103111355612 is 216553111301.

It is a super-2 number, since 2×103111355612² (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 (103111355617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3596189 + ... + 3624747.

It is an arithmetic number, because the mean of its divisors is an integer number (7642575080).

Almost surely, 2^103111355612 is an apocalyptic number.

It is an amenable number.

103111355612 is a deficient number, since it is larger than the sum of its proper divisors (80310446308).

103111355612 is a wasteful number, since it uses less digits than its factorization.

103111355612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43421 (or 43419 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 103111355612 its reverse (216553111301), we get a palindrome (319664466913).

The spelling of 103111355612 in words is "one hundred three billion, one hundred eleven million, three hundred fifty-five thousand, six hundred twelve".