211101212020222 has 16 divisors (see below), whose sum is σ = 319568831445600. Its totient is φ = 104578340634720.

The previous prime is 211101212020163. The next prime is 211101212020301. The reversal of 211101212020222 is 222020212101112.

It is a self number, because there is not a number n which added to its sum of digits gives 211101212020222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12260529 + ... + 23927452.

It is an arithmetic number, because the mean of its divisors is an integer number (19973051965350).

Almost surely, 2^{211101212020222} is an apocalyptic number.

211101212020222 is a deficient number, since it is larger than the sum of its proper divisors (108467619425378).

211101212020222 is a wasteful number, since it uses less digits than its factorization.

211101212020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36214851.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211101212020222 its reverse (222020212101112), we get a palindrome (433121424121334).

The spelling of 211101212020222 in words is "two hundred eleven trillion, one hundred one billion, two hundred twelve million, twenty thousand, two hundred twenty-two".