221342201010 has 192 divisors, whose sum is σ = 681112972800. Its totient is φ = 48795457536.

The previous prime is 221342200997. The next prime is 221342201071. The reversal of 221342201010 is 10102243122.

It is a happy number.

221342201010 is a `hidden beast` number, since 221 + 3 + 422 + 0 + 10 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18428427 + ... + 18440433.

It is an arithmetic number, because the mean of its divisors is an integer number (3547463400).

Almost surely, 2^221342201010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221342201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340556486400).

221342201010 is an abundant number, since it is smaller than the sum of its proper divisors (459770771790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221342201010 is a wasteful number, since it uses less digits than its factorization.

221342201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065 (or 13062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221342201010 its reverse (10102243122), we get a palindrome (231444444132).

The spelling of 221342201010 in words is "two hundred twenty-one billion, three hundred forty-two million, two hundred one thousand, ten".