21332122011442 has 8 divisors (see below), whose sum is σ = 34907108746032. Its totient is φ = 9696419096100.

The previous prime is 21332122011437. The next prime is 21332122011463. The reversal of 21332122011442 is 24411022123312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21332122011442² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21332122011442.

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, 484820954784 + ... + 484820954827.

It is an arithmetic number, because the mean of its divisors is an integer number (4363388593254).

Almost surely, 2^{21332122011442} is an apocalyptic number.

21332122011442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21332122011442 is a deficient number, since it is larger than the sum of its proper divisors (13574986734590).

21332122011442 is a wasteful number, since it uses less digits than its factorization.

21332122011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969641909624.

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

Adding to 21332122011442 its reverse (24411022123312), we get a palindrome (45743144134754).

The spelling of 21332122011442 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred twenty-two million, eleven thousand, four hundred forty-two".