221110110221002 has 32 divisors (see below), whose sum is σ = 351744576451200. Its totient is φ = 103950591840000.

The previous prime is 221110110220949. The next prime is 221110110221053. The reversal of 221110110221002 is 200122011011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10587499 + ... + 23543902.

It is an arithmetic number, because the mean of its divisors is an integer number (10992018014100).

Almost surely, 2^{221110110221002} is an apocalyptic number.

221110110221002 is a deficient number, since it is larger than the sum of its proper divisors (130634466230198).

221110110221002 is a wasteful number, since it uses less digits than its factorization.

221110110221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34132702.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221110110221002 its reverse (200122011011122), we get a palindrome (421232121232124).

The spelling of 221110110221002 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred ten million, two hundred twenty-one thousand, two".