20110111000222 has 4 divisors (see below), whose sum is σ = 30165166500336. Its totient is φ = 10055055500110.

The previous prime is 20110111000207. The next prime is 20110111000237. The reversal of 20110111000222 is 22200011101102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20110111000207) and next prime (20110111000237).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5027527750054 + ... + 5027527750057.

It is an arithmetic number, because the mean of its divisors is an integer number (7541291625084).

Almost surely, 2^{20110111000222} is an apocalyptic number.

20110111000222 is a deficient number, since it is larger than the sum of its proper divisors (10055055500114).

20110111000222 is a wasteful number, since it uses less digits than its factorization.

20110111000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055055500113.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110111000222 its reverse (22200011101102), we get a palindrome (42310122101324).

The spelling of 20110111000222 in words is "twenty trillion, one hundred ten billion, one hundred eleven million, two hundred twenty-two", and thus it is an aban number.