21223220333101 has 8 divisors (see below), whose sum is σ = 22343405849600. Its totient is φ = 20103352208640.

The previous prime is 21223220333089. The next prime is 21223220333137. The reversal of 21223220333101 is 10133302232212.

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 21223220333101 - 2²¹ = 21223218235949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223220333201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79210740 + ... + 79478221.

It is an arithmetic number, because the mean of its divisors is an integer number (2792925731200).

Almost surely, 2^{21223220333101} is an apocalyptic number.

It is an amenable number.

21223220333101 is a deficient number, since it is larger than the sum of its proper divisors (1120185516499).

21223220333101 is a wasteful number, since it uses less digits than its factorization.

21223220333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158696019.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21223220333101 its reverse (10133302232212), we get a palindrome (31356522565313).

The spelling of 21223220333101 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred twenty million, three hundred thirty-three thousand, one hundred one".