2021232111112 has 32 divisors (see below), whose sum is σ = 4012995321720. Its totient is φ = 951107584000.

The previous prime is 2021232111109. The next prime is 2021232111137. The reversal of 2021232111112 is 2111112321202.

It can be written as a sum of positive squares in 4 ways, for example, as 1801678014756 + 219554096356 = 1342266^2 + 468566^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021232111112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711728 + ... + 2640544.

Almost surely, 2^{2021232111112} is an apocalyptic number.

It is an amenable number.

2021232111112 is a deficient number, since it is larger than the sum of its proper divisors (1991763210608).

2021232111112 is a wasteful number, since it uses less digits than its factorization.

2021232111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944841 (or 944837 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2021232111112 its reverse (2111112321202), we get a palindrome (4132344432314).

The spelling of 2021232111112 in words is "two trillion, twenty-one billion, two hundred thirty-two million, one hundred eleven thousand, one hundred twelve".