21032231324042 has 16 divisors (see below), whose sum is σ = 31563371613312. Its totient is φ = 10511108375760.

The previous prime is 21032231323997. The next prime is 21032231324063. The reversal of 21032231324042 is 24042313223012.

It is a junction number, because it is equal to n+sod(n) for n = 21032231323996 and 21032231324014.

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, 46477523 + ... + 46927865.

It is an arithmetic number, because the mean of its divisors is an integer number (1972710725832).

Almost surely, 2^{21032231324042} is an apocalyptic number.

21032231324042 is a deficient number, since it is larger than the sum of its proper divisors (10531140289270).

21032231324042 is a wasteful number, since it uses less digits than its factorization.

21032231324042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461413.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21032231324042 its reverse (24042313223012), we get a palindrome (45074544547054).

The spelling of 21032231324042 in words is "twenty-one trillion, thirty-two billion, two hundred thirty-one million, three hundred twenty-four thousand, forty-two".