2111423212 has 6 divisors (see below), whose sum is σ = 3694990628. Its totient is φ = 1055711604.

The previous prime is 2111423183. The next prime is 2111423219. The reversal of 2111423212 is 2123241112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111423212.

It is not an unprimeable number, because it can be changed into a prime (2111423219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263927898 + ... + 263927905.

Almost surely, 2^2111423212 is an apocalyptic number.

It is an amenable number.

2111423212 is a deficient number, since it is larger than the sum of its proper divisors (1583567416).

2111423212 is a wasteful number, since it uses less digits than its factorization.

2111423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527855807 (or 527855805 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2111423212 is about 45950.2253748553. The cubic root of 2111423212 is about 1282.8969241855.

Adding to 2111423212 its reverse (2123241112), we get a palindrome (4234664324).

The spelling of 2111423212 in words is "two billion, one hundred eleven million, four hundred twenty-three thousand, two hundred twelve".