2111120231330 has 64 divisors (see below), whose sum is σ = 4198870545408. Its totient is φ = 757806778560.

The previous prime is 2111120231291. The next prime is 2111120231333. The reversal of 2111120231330 is 331320211112.

It is a happy number.

It is a super-2 number, since 2×2111120231330² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111120231333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11071457 + ... + 11260523.

It is an arithmetic number, because the mean of its divisors is an integer number (65607352272).

Almost surely, 2^{2111120231330} is an apocalyptic number.

2111120231330 is a deficient number, since it is larger than the sum of its proper divisors (2087750314078).

2111120231330 is a wasteful number, since it uses less digits than its factorization.

2111120231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190391.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2111120231330 its reverse (331320211112), we get a palindrome (2442440442442).

The spelling of 2111120231330 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred thirty-one thousand, three hundred thirty".