211122222022112 has 24 divisors (see below), whose sum is σ = 415647690354792. Its totient is φ = 105560903836800.

The previous prime is 211122222022111. The next prime is 211122222022139. The reversal of 211122222022112 is 211220222221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122222022111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10794062 + ... + 23211122.

It is an arithmetic number, because the mean of its divisors is an integer number (17318653764783).

Almost surely, 2^{211122222022112} is an apocalyptic number.

It is an amenable number.

211122222022112 is a deficient number, since it is larger than the sum of its proper divisors (204525468332680).

211122222022112 is a wasteful number, since it uses less digits than its factorization.

211122222022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948402 (or 12948394 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 211122222022112 its reverse (211220222221112), we get a palindrome (422342444243224).

The spelling of 211122222022112 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred twelve".