2111243221432 has 16 divisors (see below), whose sum is σ = 3997774913400. Its totient is φ = 1045169911200.

The previous prime is 2111243221429. The next prime is 2111243221499. The reversal of 2111243221432 is 2341223421112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111243221432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306461582 + ... + 1306463197.

Almost surely, 2^{2111243221432} is an apocalyptic number.

It is an amenable number.

2111243221432 is a deficient number, since it is larger than the sum of its proper divisors (1886531691968).

2111243221432 is a wasteful number, since it uses less digits than its factorization.

2111243221432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612924886 (or 2612924882 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 2111243221432 its reverse (2341223421112), we get a palindrome (4452466642544).

The spelling of 2111243221432 in words is "two trillion, one hundred eleven billion, two hundred forty-three million, two hundred twenty-one thousand, four hundred thirty-two".