2210121221103 has 24 divisors (see below), whose sum is σ = 3219366477600. Its totient is φ = 1461009993984.

The previous prime is 2210121221057. The next prime is 2210121221137. The reversal of 2210121221103 is 3011221210122.

2210121221103 is a `hidden beast` number, since 221 + 0 + 121 + 221 + 103 = 666.

It is not a de Polignac number, because 2210121221103 - 2⁸ = 2210121220847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210121221153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182918 + ... + 2412371.

It is an arithmetic number, because the mean of its divisors is an integer number (134140269900).

Almost surely, 2^{2210121221103} is an apocalyptic number.

2210121221103 is a deficient number, since it is larger than the sum of its proper divisors (1009245256497).

2210121221103 is a wasteful number, since it uses less digits than its factorization.

2210121221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595871 (or 3595868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2210121221103 its reverse (3011221210122), we get a palindrome (5221342431225).

The spelling of 2210121221103 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred three".