221423407550011 has 8 divisors (see below), whose sum is σ = 221519657567600. Its totient is φ = 221327175680352.

The previous prime is 221423407549979. The next prime is 221423407550021. The reversal of 221423407550011 is 110055704324122.

221423407550011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221423407550011 - 2⁵ = 221423407549979 is a prime.

It is a super-2 number, since 2×221423407550011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221423407550021) 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, 19898965 + ... + 28962313.

It is an arithmetic number, because the mean of its divisors is an integer number (27689957195950).

Almost surely, 2^{221423407550011} is an apocalyptic number.

221423407550011 is a deficient number, since it is larger than the sum of its proper divisors (96250017589).

221423407550011 is an equidigital number, since it uses as much as digits as its factorization.

221423407550011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073965.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 221423407550011 in words is "two hundred twenty-one trillion, four hundred twenty-three billion, four hundred seven million, five hundred fifty thousand, eleven".