2213123101 has 4 divisors (see below), whose sum is σ = 2529283552. Its totient is φ = 1896962652.

The previous prime is 2213123093. The next prime is 2213123167. The reversal of 2213123101 is 1013213122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2213123101 - 2³ = 2213123093 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 (2213123501) 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, 158080215 + ... + 158080228.

It is an arithmetic number, because the mean of its divisors is an integer number (632320888).

Almost surely, 2^2213123101 is an apocalyptic number.

It is an amenable number.

2213123101 is a deficient number, since it is larger than the sum of its proper divisors (316160451).

2213123101 is an equidigital number, since it uses as much as digits as its factorization.

2213123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316160450.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2213123101 is about 47043.8423281942. The cubic root of 2213123101 is about 1303.1723511259.

Adding to 2213123101 its reverse (1013213122), we get a palindrome (3226336223).

The spelling of 2213123101 in words is "two billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred one".