2111266550343 has 32 divisors (see below), whose sum is σ = 3062438337024. Its totient is φ = 1290193736832.

The previous prime is 2111266550317. The next prime is 2111266550359. The reversal of 2111266550343 is 3430556621112.

It is a happy number.

It is not a de Polignac number, because 2111266550343 - 2¹² = 2111266546247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111266550363) 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, 6555796 + ... + 6870297.

It is an arithmetic number, because the mean of its divisors is an integer number (95701198032).

Almost surely, 2^{2111266550343} is an apocalyptic number.

2111266550343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2111266550343 is a deficient number, since it is larger than the sum of its proper divisors (951171786681).

2111266550343 is a wasteful number, since it uses less digits than its factorization.

2111266550343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13426215.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 2111266550343 in words is "two trillion, one hundred eleven billion, two hundred sixty-six million, five hundred fifty thousand, three hundred forty-three".