20110011111222 has 8 divisors (see below), whose sum is σ = 40220022222456. Its totient is φ = 6703337037072.

The previous prime is 20110011111191. The next prime is 20110011111233. The reversal of 20110011111222 is 22211111001102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20110011111222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675834259263 + ... + 1675834259274.

It is an arithmetic number, because the mean of its divisors is an integer number (5027502777807).

Almost surely, 2^{20110011111222} is an apocalyptic number.

20110011111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110011111222 is a wasteful number, since it uses less digits than its factorization.

20110011111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351668518542.

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

Adding to 20110011111222 its reverse (22211111001102), we get a palindrome (42321122112324).

The spelling of 20110011111222 in words is "twenty trillion, one hundred ten billion, eleven million, one hundred eleven thousand, two hundred twenty-two".