1234432101111 has 48 divisors (see below), whose sum is σ = 1849069676160. Its totient is φ = 731807032000.

The previous prime is 1234432101109. The next prime is 1234432101127. The reversal of 1234432101111 is 1111012344321.

It is not a de Polignac number, because 1234432101111 - 2¹ = 1234432101109 is a prime.

It is a super-2 number, since 2×1234432101111² (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 (1234432101101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2840200 + ... + 3245858.

It is an arithmetic number, because the mean of its divisors is an integer number (38522284920).

Almost surely, 2^{1234432101111} is an apocalyptic number.

1234432101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1234432101111 is a deficient number, since it is larger than the sum of its proper divisors (614637575049).

1234432101111 is a wasteful number, since it uses less digits than its factorization.

1234432101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405868 (or 405857 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1234432101111 its reverse (1111012344321), we get a palindrome (2345444445432).

It can be divided in two parts, 123443210 and 1111, that added together give a palindrome (123444321).

The spelling of 1234432101111 in words is "one trillion, two hundred thirty-four billion, four hundred thirty-two million, one hundred one thousand, one hundred eleven".