221111021003002 has 16 divisors (see below), whose sum is σ = 368701255867392. Its totient is φ = 98759264963760.

The previous prime is 221111021002997. The next prime is 221111021003011. The reversal of 221111021003002 is 200300120111122.

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, 137165644978 + ... + 137165646589.

It is an arithmetic number, because the mean of its divisors is an integer number (23043828491712).

Almost surely, 2^{221111021003002} is an apocalyptic number.

221111021003002 is a deficient number, since it is larger than the sum of its proper divisors (147590234864390).

221111021003002 is a wasteful number, since it uses less digits than its factorization.

221111021003002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274331291613.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221111021003002 its reverse (200300120111122), we get a palindrome (421411141114124).

The spelling of 221111021003002 in words is "two hundred twenty-one trillion, one hundred eleven billion, twenty-one million, three thousand, two".