103011331211 has 4 divisors (see below), whose sum is σ = 103322544024. Its totient is φ = 102700118400.

The previous prime is 103011331193. The next prime is 103011331229. The reversal of 103011331211 is 112133110301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112133110301 = 16139 ⋅6947959.

It is an interprime number because it is at equal distance from previous prime (103011331193) and next prime (103011331229).

It is a cyclic number.

It is not a de Polignac number, because 103011331211 - 2¹⁴ = 103011314827 is a prime.

It is a super-2 number, since 2×103011331211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103011331211.

It is not an unprimeable number, because it can be changed into a prime (103010331211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155605910 + ... + 155606571.

It is an arithmetic number, because the mean of its divisors is an integer number (25830636006).

Almost surely, 2^103011331211 is an apocalyptic number.

103011331211 is a deficient number, since it is larger than the sum of its proper divisors (311212813).

103011331211 is an equidigital number, since it uses as much as digits as its factorization.

103011331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311212812.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103011331211 its reverse (112133110301), we get a palindrome (215144441512).

The spelling of 103011331211 in words is "one hundred three billion, eleven million, three hundred thirty-one thousand, two hundred eleven".