222143231121140 has 96 divisors (see below), whose sum is σ = 545608943953920. Its totient is φ = 74383084008576.

The previous prime is 222143231121103. The next prime is 222143231121157. The reversal of 222143231121140 is 41121132341222.

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, 47233529 + ... + 51723231.

It is an arithmetic number, because the mean of its divisors is an integer number (5683426499520).

Almost surely, 2^{222143231121140} is an apocalyptic number.

222143231121140 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 222143231121140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272804471976960).

222143231121140 is an abundant number, since it is smaller than the sum of its proper divisors (323465712832780).

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

222143231121140 is a wasteful number, since it uses less digits than its factorization.

222143231121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497981 (or 4497979 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 222143231121140 its reverse (41121132341222), we get a palindrome (263264363462362).

The spelling of 222143231121140 in words is "two hundred twenty-two trillion, one hundred forty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred forty".