212021222212110 has 32 divisors (see below), whose sum is σ = 522603661239072. Its totient is φ = 55010911708800.

The previous prime is 212021222212081. The next prime is 212021222212133. The reversal of 212021222212110 is 11212222120212.

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 15 ways as a sum of consecutive naturals, for example, 95505053941 + ... + 95505056160.

It is an arithmetic number, because the mean of its divisors is an integer number (16331364413721).

Almost surely, 2^{212021222212110} is an apocalyptic number.

212021222212110 is an abundant number, since it is smaller than the sum of its proper divisors (310582439026962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021222212110 is a wasteful number, since it uses less digits than its factorization.

212021222212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191010110148.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212021222212110 its reverse (11212222120212), we get a palindrome (223233444332322).

The spelling of 212021222212110 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred ten".