10221211221103 has 4 divisors (see below), whose sum is σ = 10294745114920. Its totient is φ = 10147677327288.

The previous prime is 10221211221017. The next prime is 10221211221119. The reversal of 10221211221103 is 30112211212201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221211221103 - 2²⁹ = 10220674350191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221211221503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36766946700 + ... + 36766946977.

It is an arithmetic number, because the mean of its divisors is an integer number (2573686278730).

Almost surely, 2^{10221211221103} is an apocalyptic number.

10221211221103 is a deficient number, since it is larger than the sum of its proper divisors (73533893817).

10221211221103 is an equidigital number, since it uses as much as digits as its factorization.

10221211221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73533893816.

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

Adding to 10221211221103 its reverse (30112211212201), we get a palindrome (40333422433304).

The spelling of 10221211221103 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-one thousand, one hundred three".