21226075207601 has 8 divisors (see below), whose sum is σ = 23902677067008. Its totient is φ = 18673966458000.

The previous prime is 21226075207591. The next prime is 21226075207609. The reversal of 21226075207601 is 10670257062212.

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 21226075207601 - 2²² = 21226071013297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21226075207609) 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, 31123277090 + ... + 31123277771.

It is an arithmetic number, because the mean of its divisors is an integer number (2987834633376).

Almost surely, 2^{21226075207601} is an apocalyptic number.

It is an amenable number.

21226075207601 is a deficient number, since it is larger than the sum of its proper divisors (2676601859407).

21226075207601 is a wasteful number, since it uses less digits than its factorization.

21226075207601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62246554903.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 21226075207601 in words is "twenty-one trillion, two hundred twenty-six billion, seventy-five million, two hundred seven thousand, six hundred one".