21222211013003 has 16 divisors (see below), whose sum is σ = 28494157445376. Its totient is φ = 15264727201440.

The previous prime is 21222211012993. The next prime is 21222211013009. The reversal of 21222211013003 is 30031011222212.

It is a cyclic number.

It is not a de Polignac number, because 21222211013003 - 2¹⁰ = 21222211011979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222211013009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10600504001 + ... + 10600506002.

It is an arithmetic number, because the mean of its divisors is an integer number (1780884840336).

Almost surely, 2^{21222211013003} is an apocalyptic number.

21222211013003 is a deficient number, since it is larger than the sum of its proper divisors (7271946432373).

21222211013003 is a wasteful number, since it uses less digits than its factorization.

21222211013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201010034.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21222211013003 its reverse (30031011222212), we get a palindrome (51253222235215).

The spelling of 21222211013003 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred eleven million, thirteen thousand, three".