212221233021022 has 32 divisors (see below), whose sum is σ = 335366313753600. Its totient is φ = 100625802979680.

The previous prime is 212221233020989. The next prime is 212221233021047. The reversal of 212221233021022 is 220120332122212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275817522 + ... + 276585877.

It is an arithmetic number, because the mean of its divisors is an integer number (10480197304800).

Almost surely, 2^{212221233021022} is an apocalyptic number.

212221233021022 is a deficient number, since it is larger than the sum of its proper divisors (123145080732578).

212221233021022 is a wasteful number, since it uses less digits than its factorization.

212221233021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552403576.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212221233021022 its reverse (220120332122212), we get a palindrome (432341565143234).

The spelling of 212221233021022 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred thirty-three million, twenty-one thousand, twenty-two".