212021110022 has 16 divisors (see below), whose sum is σ = 324161073792. Its totient is φ = 103977265920.

The previous prime is 212021110019. The next prime is 212021110039. The reversal of 212021110022 is 220011120212.

It is a super-2 number, since 2×212021110022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212021109979 and 212021110006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418518 + ... + 2504649.

It is an arithmetic number, because the mean of its divisors is an integer number (20260067112).

Almost surely, 2^212021110022 is an apocalyptic number.

212021110022 is a deficient number, since it is larger than the sum of its proper divisors (112139963770).

212021110022 is a wasteful number, since it uses less digits than its factorization.

212021110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923583.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212021110022 its reverse (220011120212), we get a palindrome (432032230234).

The spelling of 212021110022 in words is "two hundred twelve billion, twenty-one million, one hundred ten thousand, twenty-two".