2213201332123 has 4 divisors (see below), whose sum is σ = 2216776779160. Its totient is φ = 2209625885088.

The previous prime is 2213201332109. The next prime is 2213201332151. The reversal of 2213201332123 is 3212331023122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213201332123 is a prime.

It is a super-2 number, since 2×2213201332123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213201332183) 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, 1787722590 + ... + 1787723827.

It is an arithmetic number, because the mean of its divisors is an integer number (554194194790).

Almost surely, 2^{2213201332123} is an apocalyptic number.

2213201332123 is a deficient number, since it is larger than the sum of its proper divisors (3575447037).

2213201332123 is an equidigital number, since it uses as much as digits as its factorization.

2213201332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575447036.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2213201332123 its reverse (3212331023122), we get a palindrome (5425532355245).

The spelling of 2213201332123 in words is "two trillion, two hundred thirteen billion, two hundred one million, three hundred thirty-two thousand, one hundred twenty-three".