10221111221203 has 2 divisors, whose sum is σ = 10221111221204. Its totient is φ = 10221111221202.

The previous prime is 10221111221183. The next prime is 10221111221239. The reversal of 10221111221203 is 30212211112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221111221203 - 2¹³ = 10221111213011 is a prime.

It is a super-2 number, since 2×10221111221203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10221111221273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110555610601 + 5110555610602.

It is an arithmetic number, because the mean of its divisors is an integer number (5110555610602).

Almost surely, 2^{10221111221203} is an apocalyptic number.

10221111221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221111221203 is an equidigital number, since it uses as much as digits as its factorization.

10221111221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10221111221203 its reverse (30212211112201), we get a palindrome (40433322333404).

It can be divided in two parts, 1022 and 1111221203, that added together give a square (1111222225 = 33335²).

The spelling of 10221111221203 in words is "ten trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, two hundred three".