221102101101010 has 16 divisors (see below), whose sum is σ = 397990806699456. Its totient is φ = 88439279392048.

The previous prime is 221102101100999. The next prime is 221102101101083. The reversal of 221102101101010 is 10101101201122.

It is a happy number.

221102101101010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221102101101010² (a number of 29 digits) contains 22 as substring.

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, 194536084 + ... + 195669343.

It is an arithmetic number, because the mean of its divisors is an integer number (24874425418716).

Almost surely, 2^{221102101101010} is an apocalyptic number.

221102101101010 is a deficient number, since it is larger than the sum of its proper divisors (176888705598446).

221102101101010 is a wasteful number, since it uses less digits than its factorization.

221102101101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390262097.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221102101101010 its reverse (10101101201122), we get a palindrome (231203202302132).

The spelling of 221102101101010 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred one million, one hundred one thousand, ten".