2143231101011 has 32 divisors (see below), whose sum is σ = 2906116448256. Its totient is φ = 1526321520000.

The previous prime is 2143231100987. The next prime is 2143231101049. The reversal of 2143231101011 is 1101011323412.

It is a cyclic number.

It is not a de Polignac number, because 2143231101011 - 2³⁴ = 2126051231827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143231101811) 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, 10498355 + ... + 10700556.

It is an arithmetic number, because the mean of its divisors is an integer number (90816139008).

Almost surely, 2^{2143231101011} is an apocalyptic number.

2143231101011 is a deficient number, since it is larger than the sum of its proper divisors (762885347245).

2143231101011 is a wasteful number, since it uses less digits than its factorization.

2143231101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199043.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2143231101011 its reverse (1101011323412), we get a palindrome (3244242424423).

The spelling of 2143231101011 in words is "two trillion, one hundred forty-three billion, two hundred thirty-one million, one hundred one thousand, eleven".