1101111121331 has 8 divisors (see below), whose sum is σ = 1186544434320. Its totient is φ = 1015782445152.

The previous prime is 1101111121307. The next prime is 1101111121433. The reversal of 1101111121331 is 1331211111011.

It is a happy number.

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 1101111121331 - 2²² = 1101106927027 is a prime.

It is a super-2 number, since 2×1101111121331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101111123331) 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, 26137340 + ... + 26179433.

It is an arithmetic number, because the mean of its divisors is an integer number (148318054290).

Almost surely, 2^{1101111121331} is an apocalyptic number.

1101111121331 is a deficient number, since it is larger than the sum of its proper divisors (85433312989).

1101111121331 is a wasteful number, since it uses less digits than its factorization.

1101111121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52318405.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1101111121331 its reverse (1331211111011), we get a palindrome (2432322232342).

The spelling of 1101111121331 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred twenty-one thousand, three hundred thirty-one".