221122022102 has 64 divisors (see below), whose sum is σ = 346537820160. Its totient is φ = 105765004800.

The previous prime is 221122022063. The next prime is 221122022113. The reversal of 221122022102 is 201220221122.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 208016423 + ... + 208017485.

It is an arithmetic number, because the mean of its divisors is an integer number (5414653440).

Almost surely, 2^221122022102 is an apocalyptic number.

221122022102 is a deficient number, since it is larger than the sum of its proper divisors (125415798058).

221122022102 is a wasteful number, since it uses less digits than its factorization.

221122022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

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

Adding to 221122022102 its reverse (201220221122), we get a palindrome (422342243224).

It can be divided in two parts, 2211220 and 22102, that added together give a palindrome (2233322).

The spelling of 221122022102 in words is "two hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred two".