20210112210223 has 16 divisors (see below), whose sum is σ = 22716254869056. Its totient is φ = 17857071048960.

The previous prime is 20210112210157. The next prime is 20210112210257. The reversal of 20210112210223 is 32201221101202.

It is not a de Polignac number, because 20210112210223 - 2²¹ = 20210110113071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210112210223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210112210523) 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, 357685515 + ... + 357742012.

It is an arithmetic number, because the mean of its divisors is an integer number (1419765929316).

Almost surely, 2^{20210112210223} is an apocalyptic number.

20210112210223 is a deficient number, since it is larger than the sum of its proper divisors (2506142658833).

20210112210223 is a wasteful number, since it uses less digits than its factorization.

20210112210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715427634.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20210112210223 its reverse (32201221101202), we get a palindrome (52411333311425).

The spelling of 20210112210223 in words is "twenty trillion, two hundred ten billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-three".