111203123100003 has 40 divisors (see below), whose sum is σ = 181413310053360. Its totient is φ = 67323904427520.

The previous prime is 111203123099977. The next prime is 111203123100029. The reversal of 111203123100003 is 300001321302111.

It is an interprime number because it is at equal distance from previous prime (111203123099977) and next prime (111203123100029).

It is not a de Polignac number, because 111203123100003 - 2²² = 111203118905699 is a prime.

It is a super-2 number, since 2×111203123100003² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111203123100803) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65764438 + ... + 67434171.

It is an arithmetic number, because the mean of its divisors is an integer number (4535332751334).

Almost surely, 2^{111203123100003} is an apocalyptic number.

111203123100003 is a deficient number, since it is larger than the sum of its proper divisors (70210186953357).

111203123100003 is a wasteful number, since it uses less digits than its factorization.

111203123100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133199569 (or 133199560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111203123100003 its reverse (300001321302111), we get a palindrome (411204444402114).

The spelling of 111203123100003 in words is "one hundred eleven trillion, two hundred three billion, one hundred twenty-three million, one hundred thousand, three".