22021312220203 has 2 divisors, whose sum is σ = 22021312220204. Its totient is φ = 22021312220202.

The previous prime is 22021312220147. The next prime is 22021312220221. The reversal of 22021312220203 is 30202221312022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021312220203 is a prime.

It is a super-2 number, since 2×22021312220203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22021312220503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010656110101 + 11010656110102.

It is an arithmetic number, because the mean of its divisors is an integer number (11010656110102).

Almost surely, 2^{22021312220203} is an apocalyptic number.

22021312220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021312220203 is an equidigital number, since it uses as much as digits as its factorization.

22021312220203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22021312220203 its reverse (30202221312022), we get a palindrome (52223533532225).

The spelling of 22021312220203 in words is "twenty-two trillion, twenty-one billion, three hundred twelve million, two hundred twenty thousand, two hundred three".