221441514554010 has 64 divisors (see below), whose sum is σ = 540496991548800. Its totient is φ = 58047029317632.

The previous prime is 221441514553997. The next prime is 221441514554011. The reversal of 221441514554010 is 10455415144122.

It is a self number, because there is not a number n which added to its sum of digits gives 221441514554010.

It is not an unprimeable number, because it can be changed into a prime (221441514554011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29029482 + ... + 35855178.

It is an arithmetic number, because the mean of its divisors is an integer number (8445265492950).

Almost surely, 2^{221441514554010} is an apocalyptic number.

221441514554010 is an abundant number, since it is smaller than the sum of its proper divisors (319055476994790).

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

221441514554010 is a wasteful number, since it uses less digits than its factorization.

221441514554010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844095.

The product of its (nonzero) digits is 128000, while the sum is 39.

Adding to 221441514554010 its reverse (10455415144122), we get a palindrome (231896929698132).

The spelling of 221441514554010 in words is "two hundred twenty-one trillion, four hundred forty-one billion, five hundred fourteen million, five hundred fifty-four thousand, ten".