122100221003 has 4 divisors (see below), whose sum is σ = 127408926288. Its totient is φ = 116791515720.

The previous prime is 122100220981. The next prime is 122100221029. The reversal of 122100221003 is 300122001221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122100221003 - 2¹⁶ = 122100155467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100224003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654352608 + ... + 2654352653.

It is an arithmetic number, because the mean of its divisors is an integer number (31852231572).

Almost surely, 2^122100221003 is an apocalyptic number.

122100221003 is a deficient number, since it is larger than the sum of its proper divisors (5308705285).

122100221003 is an equidigital number, since it uses as much as digits as its factorization.

122100221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308705284.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 122100221003 its reverse (300122001221), we get a palindrome (422222222224).

The spelling of 122100221003 in words is "one hundred twenty-two billion, one hundred million, two hundred twenty-one thousand, three".