21322101441 has 8 divisors (see below), whose sum is σ = 28439354880. Its totient is φ = 14209791152.

The previous prime is 21322101431. The next prime is 21322101457. The reversal of 21322101441 is 14410122312.

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

It is a cyclic number.

It is not a de Polignac number, because 21322101441 - 2²² = 21317907137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21322101431) 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 in 7 ways as a sum of consecutive naturals, for example, 1225710 + ... + 1242983.

It is an arithmetic number, because the mean of its divisors is an integer number (3554919360).

Almost surely, 2^21322101441 is an apocalyptic number.

It is an amenable number.

21322101441 is a deficient number, since it is larger than the sum of its proper divisors (7117253439).

21322101441 is a wasteful number, since it uses less digits than its factorization.

21322101441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471575.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21322101441 its reverse (14410122312), we get a palindrome (35732223753).

The spelling of 21322101441 in words is "twenty-one billion, three hundred twenty-two million, one hundred one thousand, four hundred forty-one".