221210222202010 has 16 divisors (see below), whose sum is σ = 419135157856800. Its totient is φ = 83827031571216.

The previous prime is 221210222201987. The next prime is 221210222202023. The reversal of 221210222202010 is 10202222012122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582132163500 + ... + 582132163879.

It is an arithmetic number, because the mean of its divisors is an integer number (26195947366050).

Almost surely, 2^{221210222202010} is an apocalyptic number.

221210222202010 is a deficient number, since it is larger than the sum of its proper divisors (197924935654790).

221210222202010 is a wasteful number, since it uses less digits than its factorization.

221210222202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164264327405.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221210222202010 its reverse (10202222012122), we get a palindrome (231412444214132).

The spelling of 221210222202010 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred twenty-two million, two hundred two thousand, ten".