2111311211302 has 4 divisors (see below), whose sum is σ = 3166966816956. Its totient is φ = 1055655605650.

The previous prime is 2111311211291. The next prime is 2111311211333. The reversal of 2111311211302 is 2031121131112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2111311211302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527827802824 + ... + 527827802827.

It is an arithmetic number, because the mean of its divisors is an integer number (791741704239).

Almost surely, 2^{2111311211302} is an apocalyptic number.

2111311211302 is a deficient number, since it is larger than the sum of its proper divisors (1055655605654).

2111311211302 is a wasteful number, since it uses less digits than its factorization.

2111311211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055655605653.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2111311211302 its reverse (2031121131112), we get a palindrome (4142432342414).

The spelling of 2111311211302 in words is "two trillion, one hundred eleven billion, three hundred eleven million, two hundred eleven thousand, three hundred two".