211122220021112 has 16 divisors (see below), whose sum is σ = 396335151813840. Its totient is φ = 105432846204096.

The previous prime is 211122220021103. The next prime is 211122220021117. The reversal of 211122220021112 is 211120022221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122220021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16032968813 + ... + 16032981980.

It is an arithmetic number, because the mean of its divisors is an integer number (24770946988365).

Almost surely, 2^{211122220021112} is an apocalyptic number.

It is an amenable number.

211122220021112 is a deficient number, since it is larger than the sum of its proper divisors (185212931792728).

211122220021112 is a wasteful number, since it uses less digits than its factorization.

211122220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32065951622 (or 32065951618 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211122220021112 its reverse (211120022221112), we get a palindrome (422242242242224).

The spelling of 211122220021112 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, twenty-one thousand, one hundred twelve".