1111112120111 has 8 divisors (see below), whose sum is σ = 1336676234880. Its totient is φ = 902256458328.

The previous prime is 1111112120087. The next prime is 1111112120117. The reversal of 1111112120111 is 1110212111111.

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 1111112120111 - 2¹⁸ = 1111111857967 is a prime.

It is a super-2 number, since 2×1111112120111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112120117) 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, 4177113101 + ... + 4177113366.

It is an arithmetic number, because the mean of its divisors is an integer number (167084529360).

Almost surely, 2^{1111112120111} is an apocalyptic number.

1111112120111 is a deficient number, since it is larger than the sum of its proper divisors (225564114769).

1111112120111 is an equidigital number, since it uses as much as digits as its factorization.

1111112120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354226493.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1111112120111 its reverse (1110212111111), we get a palindrome (2221324231222).

The spelling of 1111112120111 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred eleven".