22120021111101 has 32 divisors (see below), whose sum is σ = 30544215313920. Its totient is φ = 14229563834304.

The previous prime is 22120021111099. The next prime is 22120021111121. The reversal of 22120021111101 is 10111112002122.

It is a happy number.

It is not a de Polignac number, because 22120021111101 - 2¹ = 22120021111099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120021111121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 425138250 + ... + 425190276.

It is an arithmetic number, because the mean of its divisors is an integer number (954506728560).

Almost surely, 2^{22120021111101} is an apocalyptic number.

It is an amenable number.

22120021111101 is a deficient number, since it is larger than the sum of its proper divisors (8424194202819).

22120021111101 is a wasteful number, since it uses less digits than its factorization.

22120021111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22120021111101 its reverse (10111112002122), we get a palindrome (32231133113223).

The spelling of 22120021111101 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred one".