2011311432111 has 32 divisors (see below), whose sum is σ = 2844461188800. Its totient is φ = 1259795333120.

The previous prime is 2011311432089. The next prime is 2011311432121. The reversal of 2011311432111 is 1112341131102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2011311432111 - 2¹⁴ = 2011311415727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011311432121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88324135 + ... + 88346903.

It is an arithmetic number, because the mean of its divisors is an integer number (88889412150).

Almost surely, 2^{2011311432111} is an apocalyptic number.

2011311432111 is a deficient number, since it is larger than the sum of its proper divisors (833149756689).

2011311432111 is a wasteful number, since it uses less digits than its factorization.

2011311432111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25739.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 2011311432111 its reverse (1112341131102), we get a palindrome (3123652563213).

The spelling of 2011311432111 in words is "two trillion, eleven billion, three hundred eleven million, four hundred thirty-two thousand, one hundred eleven".