221110221002 has 16 divisors (see below), whose sum is σ = 362680264800. Its totient is φ = 100264773840.

The previous prime is 221110220977. The next prime is 221110221019. The reversal of 221110221002 is 200122011122.

221110221002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 11984177 + ... + 12002612.

It is an arithmetic number, because the mean of its divisors is an integer number (22667516550).

Almost surely, 2^221110221002 is an apocalyptic number.

221110221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221110221002 is a deficient number, since it is larger than the sum of its proper divisors (141570043798).

221110221002 is a wasteful number, since it uses less digits than its factorization.

221110221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23987221.

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

Adding to 221110221002 its reverse (200122011122), we get a palindrome (421232232124).

The spelling of 221110221002 in words is "two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two".