11420111232231 has 16 divisors (see below), whose sum is σ = 16436155115520. Its totient is φ = 7011455038560.

The previous prime is 11420111232203. The next prime is 11420111232317. The reversal of 11420111232231 is 13223211102411.

It is not a de Polignac number, because 11420111232231 - 2³³ = 11411521297639 is a prime.

It is a super-2 number, since 2×11420111232231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420111232331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339685471 + ... + 339719088.

It is an arithmetic number, because the mean of its divisors is an integer number (1027259694720).

Almost surely, 2^{11420111232231} is an apocalyptic number.

11420111232231 is a deficient number, since it is larger than the sum of its proper divisors (5016043883289).

11420111232231 is a wasteful number, since it uses less digits than its factorization.

11420111232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679405006.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11420111232231 its reverse (13223211102411), we get a palindrome (24643322334642).

The spelling of 11420111232231 in words is "eleven trillion, four hundred twenty billion, one hundred eleven million, two hundred thirty-two thousand, two hundred thirty-one".