122221507603 has 6 divisors (see below), whose sum is σ = 132346366404. Its totient is φ = 112819853016.

The previous prime is 122221507601. The next prime is 122221507607. The reversal of 122221507603 is 306705122221.

It is not a de Polignac number, because 122221507603 - 2¹ = 122221507601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221507601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361601925 + ... + 361602262.

It is an arithmetic number, because the mean of its divisors is an integer number (22057727734).

Almost surely, 2^122221507603 is an apocalyptic number.

122221507603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122221507603 is a deficient number, since it is larger than the sum of its proper divisors (10124858801).

122221507603 is an equidigital number, since it uses as much as digits as its factorization.

122221507603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723204213 (or 723204200 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 122221507603 its reverse (306705122221), we get a palindrome (428926629824).

The spelling of 122221507603 in words is "one hundred twenty-two billion, two hundred twenty-one million, five hundred seven thousand, six hundred three".