1122012112111 has 8 divisors (see below), whose sum is σ = 1224629247744. Its totient is φ = 1019497648920.

The previous prime is 1122012112051. The next prime is 1122012112141. The reversal of 1122012112111 is 1112112102211.

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 1122012112111 - 2²⁹ = 1121475241199 is a prime.

It is a super-2 number, since 2×1122012112111² (a number of 25 digits) contains 22 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 (1122012112141) 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 7 ways as a sum of consecutive naturals, for example, 25645255 + ... + 25688968.

It is an arithmetic number, because the mean of its divisors is an integer number (153078655968).

Almost surely, 2^{1122012112111} is an apocalyptic number.

1122012112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122012112111 is a deficient number, since it is larger than the sum of its proper divisors (102617135633).

1122012112111 is a wasteful number, since it uses less digits than its factorization.

1122012112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51336221.

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

Adding to 1122012112111 its reverse (1112112102211), we get a palindrome (2234124214322).

The spelling of 1122012112111 in words is "one trillion, one hundred twenty-two billion, twelve million, one hundred twelve thousand, one hundred eleven".