222111121433140 has 96 divisors (see below), whose sum is σ = 482655058357248. Its totient is φ = 85768782336000.

The previous prime is 222111121433129. The next prime is 222111121433167. The reversal of 222111121433140 is 41334121111222.

It is a junction number, because it is equal to n+sod(n) for n = 222111121433099 and 222111121433108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569012635 + ... + 569402845.

It is an arithmetic number, because the mean of its divisors is an integer number (5027656857888).

Almost surely, 2^{222111121433140} is an apocalyptic number.

222111121433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222111121433140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241327529178624).

222111121433140 is an abundant number, since it is smaller than the sum of its proper divisors (260543936924108).

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

222111121433140 is a wasteful number, since it uses less digits than its factorization.

222111121433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392489 (or 392487 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 222111121433140 its reverse (41334121111222), we get a palindrome (263445242544362).

The spelling of 222111121433140 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, four hundred thirty-three thousand, one hundred forty".