1121122333111 has 8 divisors (see below), whose sum is σ = 1224385083648. Its totient is φ = 1018083339000.

The previous prime is 1121122333103. The next prime is 1121122333127. The reversal of 1121122333111 is 1113332211211.

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 1121122333111 - 2³ = 1121122333103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121122331111) 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, 55928625 + ... + 55948666.

It is an arithmetic number, because the mean of its divisors is an integer number (153048135456).

Almost surely, 2^{1121122333111} is an apocalyptic number.

1121122333111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121122333111 is a deficient number, since it is larger than the sum of its proper divisors (103262750537).

1121122333111 is a wasteful number, since it uses less digits than its factorization.

1121122333111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111878213.

The product of its digits is 216, while the sum is 22.

Adding to 1121122333111 its reverse (1113332211211), we get a palindrome (2234454544322).

It can be divided in two parts, 11211 and 22333111, that added together give a palindrome (22344322).

The spelling of 1121122333111 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, three hundred thirty-three thousand, one hundred eleven".