212021010110222 has 48 divisors (see below), whose sum is σ = 337181416115328. Its totient is φ = 99926023055040.

The previous prime is 212021010110219. The next prime is 212021010110257. The reversal of 212021010110222 is 222011010120212.

It is a self number, because there is not a number n which added to its sum of digits gives 212021010110222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3088643 + ... + 20822625.

It is an arithmetic number, because the mean of its divisors is an integer number (7024612835736).

Almost surely, 2^{212021010110222} is an apocalyptic number.

212021010110222 is a deficient number, since it is larger than the sum of its proper divisors (125160406005106).

212021010110222 is a wasteful number, since it uses less digits than its factorization.

212021010110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17734185 (or 17734142 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212021010110222 its reverse (222011010120212), we get a palindrome (434032020230434).

The spelling of 212021010110222 in words is "two hundred twelve trillion, twenty-one billion, ten million, one hundred ten thousand, two hundred twenty-two".