221440134010 has 32 divisors (see below), whose sum is σ = 412380149760. Its totient is φ = 85512716352.

The previous prime is 221440133983. The next prime is 221440134079. The reversal of 221440134010 is 10431044122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3163207 + ... + 3232453.

It is an arithmetic number, because the mean of its divisors is an integer number (12886879680).

Almost surely, 2^221440134010 is an apocalyptic number.

221440134010 is a deficient number, since it is larger than the sum of its proper divisors (190940015750).

221440134010 is a wasteful number, since it uses less digits than its factorization.

221440134010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80310.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221440134010 its reverse (10431044122), we get a palindrome (231871178132).

The spelling of 221440134010 in words is "two hundred twenty-one billion, four hundred forty million, one hundred thirty-four thousand, ten".