221120021102 has 8 divisors (see below), whose sum is σ = 331683526512. Its totient is φ = 110558845600.

The previous prime is 221120021081. The next prime is 221120021107. The reversal of 221120021102 is 201120021122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120021107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 321899 + ... + 738822.

It is an arithmetic number, because the mean of its divisors is an integer number (41460440814).

Almost surely, 2^221120021102 is an apocalyptic number.

221120021102 is a deficient number, since it is larger than the sum of its proper divisors (110563505410).

221120021102 is a wasteful number, since it uses less digits than its factorization.

221120021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164954.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221120021102 its reverse (201120021122), we get a palindrome (422240042224).

The spelling of 221120021102 in words is "two hundred twenty-one billion, one hundred twenty million, twenty-one thousand, one hundred two".