212113110022 has 48 divisors (see below), whose sum is σ = 374962530240. Its totient is φ = 89205392000.

The previous prime is 212113109987. The next prime is 212113110047. The reversal of 212113110022 is 220011311212.

It is a junction number, because it is equal to n+sod(n) for n = 212113109978 and 212113110005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92397 + ... + 657847.

It is an arithmetic number, because the mean of its divisors is an integer number (7811719380).

Almost surely, 2^212113110022 is an apocalyptic number.

212113110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212113110022 is a deficient number, since it is larger than the sum of its proper divisors (162849420218).

212113110022 is a wasteful number, since it uses less digits than its factorization.

212113110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565557 (or 565540 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212113110022 its reverse (220011311212), we get a palindrome (432124421234).

The spelling of 212113110022 in words is "two hundred twelve billion, one hundred thirteen million, one hundred ten thousand, twenty-two".