121112233311 has 24 divisors (see below), whose sum is σ = 175035661104. Its totient is φ = 74424562560.

The previous prime is 121112233301. The next prime is 121112233321. The reversal of 121112233311 is 113332211121.

It is an interprime number because it is at equal distance from previous prime (121112233301) and next prime (121112233321).

It is not a de Polignac number, because 121112233311 - 2¹¹ = 121112231263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112233301) 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 23 ways as a sum of consecutive naturals, for example, 1471150 + ... + 1551291.

It is an arithmetic number, because the mean of its divisors is an integer number (7293152546).

Almost surely, 2^121112233311 is an apocalyptic number.

121112233311 is a deficient number, since it is larger than the sum of its proper divisors (53923427793).

121112233311 is a wasteful number, since it uses less digits than its factorization.

121112233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022519 (or 3022500 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 121112233311 its reverse (113332211121), we get a palindrome (234444444432).

It can be divided in two parts, 12111 and 2233311, that added together give a palindrome (2245422).

The spelling of 121112233311 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred thirty-three thousand, three hundred eleven".