2211103030231 has 4 divisors (see below), whose sum is σ = 2282428934464. Its totient is φ = 2139777126000.

The previous prime is 2211103030217. The next prime is 2211103030277. The reversal of 2211103030231 is 1320303011122.

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 2211103030231 - 2³³ = 2202513095639 is a prime.

It is a super-2 number, since 2×2211103030231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211103030199 and 2211103030208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211103039231) 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, 35662952070 + ... + 35662952131.

It is an arithmetic number, because the mean of its divisors is an integer number (570607233616).

Almost surely, 2^{2211103030231} is an apocalyptic number.

2211103030231 is a deficient number, since it is larger than the sum of its proper divisors (71325904233).

2211103030231 is an equidigital number, since it uses as much as digits as its factorization.

2211103030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71325904232.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2211103030231 its reverse (1320303011122), we get a palindrome (3531406041353).

The spelling of 2211103030231 in words is "two trillion, two hundred eleven billion, one hundred three million, thirty thousand, two hundred thirty-one".