11211030105231 has 8 divisors (see below), whose sum is σ = 16306952880384. Its totient is φ = 6794563700120.

The previous prime is 11211030105221. The next prime is 11211030105239. The reversal of 11211030105231 is 13250103011211.

11211030105231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211030105231 - 2⁵ = 11211030105199 is a prime.

It is a super-2 number, since 2×11211030105231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211030105198 and 11211030105207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211030105239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169864092471 + ... + 169864092536.

It is an arithmetic number, because the mean of its divisors is an integer number (2038369110048).

Almost surely, 2^{11211030105231} is an apocalyptic number.

11211030105231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11211030105231 is a deficient number, since it is larger than the sum of its proper divisors (5095922775153).

11211030105231 is a wasteful number, since it uses less digits than its factorization.

11211030105231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339728185021.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 11211030105231 its reverse (13250103011211), we get a palindrome (24461133116442).

The spelling of 11211030105231 in words is "eleven trillion, two hundred eleven billion, thirty million, one hundred five thousand, two hundred thirty-one".