2101512443311 has 8 divisors (see below), whose sum is σ = 2271905344880. Its totient is φ = 1937098240128.

The previous prime is 2101512443291. The next prime is 2101512443347. The reversal of 2101512443311 is 1133442151012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101512443311 - 2⁵ = 2101512443279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101512443311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101512443011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494673866 + ... + 1494675271.

It is an arithmetic number, because the mean of its divisors is an integer number (283988168110).

Almost surely, 2^{2101512443311} is an apocalyptic number.

2101512443311 is a deficient number, since it is larger than the sum of its proper divisors (170392901569).

2101512443311 is a wasteful number, since it uses less digits than its factorization.

2101512443311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989349193.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 2101512443311 its reverse (1133442151012), we get a palindrome (3234954594323).

The spelling of 2101512443311 in words is "two trillion, one hundred one billion, five hundred twelve million, four hundred forty-three thousand, three hundred eleven".