10211221103 has 2 divisors, whose sum is σ = 10211221104. Its totient is φ = 10211221102.

The previous prime is 10211221057. The next prime is 10211221109. The reversal of 10211221103 is 30112211201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10211221103 - 2²⁴ = 10194443887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105610551 + 5105610552.

It is an arithmetic number, because the mean of its divisors is an integer number (5105610552).

Almost surely, 2^10211221103 is an apocalyptic number.

10211221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211221103 is an equidigital number, since it uses as much as digits as its factorization.

10211221103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10211221103 its reverse (30112211201), we get a palindrome (40323432304).

The spelling of 10211221103 in words is "ten billion, two hundred eleven million, two hundred twenty-one thousand, one hundred three".