1111101232111 has 8 divisors (see below), whose sum is σ = 1196586605984. Its totient is φ = 1025618150880.

The previous prime is 1111101232057. The next prime is 1111101232121. The reversal of 1111101232111 is 1112321011111.

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 1111101232111 - 2¹⁹ = 1111100707823 is a prime.

It is a super-4 number, since 4×1111101232111⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101232121) 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, 509101 + ... + 1575241.

It is an arithmetic number, because the mean of its divisors is an integer number (149573325748).

Almost surely, 2^{1111101232111} is an apocalyptic number.

1111101232111 is a deficient number, since it is larger than the sum of its proper divisors (85485373873).

1111101232111 is a wasteful number, since it uses less digits than its factorization.

1111101232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146321.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1111101232111 its reverse (1112321011111), we get a palindrome (2223422243222).

The spelling of 1111101232111 in words is "one trillion, one hundred eleven billion, one hundred one million, two hundred thirty-two thousand, one hundred eleven".