20101210322223 has 16 divisors (see below), whose sum is σ = 26982314409600. Its totient is φ = 13310462052384.

The previous prime is 20101210322203. The next prime is 20101210322257. The reversal of 20101210322223 is 32222301210102.

It is not a de Polignac number, because 20101210322223 - 2⁶ = 20101210322159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20101210322223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101210322203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14332740 + ... + 15672582.

It is an arithmetic number, because the mean of its divisors is an integer number (1686394650600).

Almost surely, 2^{20101210322223} is an apocalyptic number.

20101210322223 is a deficient number, since it is larger than the sum of its proper divisors (6881104087377).

20101210322223 is a wasteful number, since it uses less digits than its factorization.

20101210322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373558.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20101210322223 its reverse (32222301210102), we get a palindrome (52323511532325).

The spelling of 20101210322223 in words is "twenty trillion, one hundred one billion, two hundred ten million, three hundred twenty-two thousand, two hundred twenty-three".