101220221222203 has 2 divisors, whose sum is σ = 101220221222204. Its totient is φ = 101220221222202.

The previous prime is 101220221222191. The next prime is 101220221222269. The reversal of 101220221222203 is 302222122022101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101220221222203 - 2³⁷ = 101082782268731 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220221222303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610110611101 + 50610110611102.

It is an arithmetic number, because the mean of its divisors is an integer number (50610110611102).

Almost surely, 2^{101220221222203} is an apocalyptic number.

101220221222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220221222203 is an equidigital number, since it uses as much as digits as its factorization.

101220221222203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 101220221222203 its reverse (302222122022101), we get a palindrome (403442343244304).

The spelling of 101220221222203 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred three".