12221111220003 has 64 divisors (see below), whose sum is σ = 21096037094400. Its totient is φ = 6847244202240.

The previous prime is 12221111220001. The next prime is 12221111220037. The reversal of 12221111220003 is 30002211112221.

It is not a de Polignac number, because 12221111220003 - 2¹ = 12221111220001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221111220001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14937583 + ... + 15734471.

It is an arithmetic number, because the mean of its divisors is an integer number (329625579600).

Almost surely, 2^{12221111220003} is an apocalyptic number.

12221111220003 is a deficient number, since it is larger than the sum of its proper divisors (8874925874397).

12221111220003 is a wasteful number, since it uses less digits than its factorization.

12221111220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798489 (or 798483 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12221111220003 its reverse (30002211112221), we get a palindrome (42223322332224).

The spelling of 12221111220003 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, three".