234020133111 has 16 divisors (see below), whose sum is σ = 338064655104. Its totient is φ = 143421366144.

The previous prime is 234020133103. The next prime is 234020133119. The reversal of 234020133111 is 111331020432.

It is an interprime number because it is at equal distance from previous prime (234020133103) and next prime (234020133119).

It is not a de Polignac number, because 234020133111 - 2³ = 234020133103 is a prime.

It is a super-3 number, since 3×234020133111³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234020133119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53353971 + ... + 53358356.

It is an arithmetic number, because the mean of its divisors is an integer number (21129040944).

Almost surely, 2^234020133111 is an apocalyptic number.

234020133111 is a deficient number, since it is larger than the sum of its proper divisors (104044521993).

234020133111 is a wasteful number, since it uses less digits than its factorization.

234020133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106712390.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 234020133111 its reverse (111331020432), we get a palindrome (345351153543).

The spelling of 234020133111 in words is "two hundred thirty-four billion, twenty million, one hundred thirty-three thousand, one hundred eleven".