222111122011120 has 80 divisors (see below), whose sum is σ = 536568917168160. Its totient is φ = 85402957724672.

The previous prime is 222111122011001. The next prime is 222111122011157. The reversal of 222111122011120 is 21110221111222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210349027 + ... + 211402306.

It is an arithmetic number, because the mean of its divisors is an integer number (6707111464602).

Almost surely, 2^{222111122011120} is an apocalyptic number.

222111122011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222111122011120 is an abundant number, since it is smaller than the sum of its proper divisors (314457795157040).

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

222111122011120 is a wasteful number, since it uses less digits than its factorization.

222111122011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421751602 (or 421751596 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222111122011120 its reverse (21110221111222), we get a palindrome (243221343122342).

The spelling of 222111122011120 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, eleven thousand, one hundred twenty".