10221121122203 has 2 divisors, whose sum is σ = 10221121122204. Its totient is φ = 10221121122202.

The previous prime is 10221121122169. The next prime is 10221121122227. The reversal of 10221121122203 is 30222112112201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221121122203 - 2²⁴ = 10221104344987 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221121122253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110560561101 + 5110560561102.

It is an arithmetic number, because the mean of its divisors is an integer number (5110560561102).

Almost surely, 2^{10221121122203} is an apocalyptic number.

10221121122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221121122203 is an equidigital number, since it uses as much as digits as its factorization.

10221121122203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10221121122203 its reverse (30222112112201), we get a palindrome (40443233234404).

The spelling of 10221121122203 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred three".