221110220022002 has 16 divisors (see below), whose sum is σ = 369657952979040. Its totient is φ = 98575454127168.

The previous prime is 221110220021969. The next prime is 221110220022017. The reversal of 221110220022002 is 200220022011122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 7 ways as a sum of consecutive naturals, for example, 171137940548 + ... + 171137941839.

It is an arithmetic number, because the mean of its divisors is an integer number (23103622061190).

Almost surely, 2^{221110220022002} is an apocalyptic number.

221110220022002 is a deficient number, since it is larger than the sum of its proper divisors (148547732957038).

221110220022002 is a wasteful number, since it uses less digits than its factorization.

221110220022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342275882425.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221110220022002 its reverse (200220022011122), we get a palindrome (421330242033124).

The spelling of 221110220022002 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred twenty million, twenty-two thousand, two".