2111311412429 has 4 divisors (see below), whose sum is σ = 2113324103100. Its totient is φ = 2109298721760.

The previous prime is 2111311412417. The next prime is 2111311412479. The reversal of 2111311412429 is 9242141131112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1994596939204 + 116714473225 = 1412302^2 + 341635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111311412429 - 2⁸ = 2111311412173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111311412395 and 2111311412404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111311412479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006343762 + ... + 1006345859.

It is an arithmetic number, because the mean of its divisors is an integer number (528331025775).

Almost surely, 2^{2111311412429} is an apocalyptic number.

It is an amenable number.

2111311412429 is a deficient number, since it is larger than the sum of its proper divisors (2012690671).

2111311412429 is a wasteful number, since it uses less digits than its factorization.

2111311412429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012690670.

The product of its digits is 3456, while the sum is 32.

The spelling of 2111311412429 in words is "two trillion, one hundred eleven billion, three hundred eleven million, four hundred twelve thousand, four hundred twenty-nine".