103011020121111 has 4 divisors (see below), whose sum is σ = 137348026828152. Its totient is φ = 68674013414072.

The previous prime is 103011020121089. The next prime is 103011020121143. The reversal of 103011020121111 is 111121020110301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103011020121111 - 2²² = 103011015926807 is a prime.

It is a super-3 number, since 3×103011020121111³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011020121811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17168503353516 + ... + 17168503353521.

It is an arithmetic number, because the mean of its divisors is an integer number (34337006707038).

Almost surely, 2^{103011020121111} is an apocalyptic number.

103011020121111 is a deficient number, since it is larger than the sum of its proper divisors (34337006707041).

103011020121111 is an equidigital number, since it uses as much as digits as its factorization.

103011020121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34337006707040.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 103011020121111 its reverse (111121020110301), we get a palindrome (214132040231412).

The spelling of 103011020121111 in words is "one hundred three trillion, eleven billion, twenty million, one hundred twenty-one thousand, one hundred eleven".