22112121211011 has 24 divisors (see below), whose sum is σ = 34396902417696. Its totient is φ = 13607352622080.

The previous prime is 22112121211007. The next prime is 22112121211013. The reversal of 22112121211011 is 11011212121122.

It is a happy number.

22112121211011 is a `hidden beast` number, since 221 + 121 + 212 + 110 + 1 + 1 = 666.

It is not a de Polignac number, because 22112121211011 - 2² = 22112121211007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112121211013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15841546 + ... + 17180768.

It is an arithmetic number, because the mean of its divisors is an integer number (1433204267404).

Almost surely, 2^{22112121211011} is an apocalyptic number.

22112121211011 is a deficient number, since it is larger than the sum of its proper divisors (12284781206685).

22112121211011 is a wasteful number, since it uses less digits than its factorization.

22112121211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480363 (or 1480360 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 22112121211011 its reverse (11011212121122), we get a palindrome (33123333332133).

The spelling of 22112121211011 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, eleven".