1111222101332 has 72 divisors (see below), whose sum is σ = 2289145720680. Its totient is φ = 470558161920.

The previous prime is 1111222101317. The next prime is 1111222101377. The reversal of 1111222101332 is 2331012221111.

It can be written as a sum of positive squares in 4 ways, for example, as 134121483076 + 977100618256 = 366226^2 + 988484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25813058 + ... + 25856070.

It is an arithmetic number, because the mean of its divisors is an integer number (31793690565).

Almost surely, 2^{1111222101332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111222101332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144572860340).

1111222101332 is an abundant number, since it is smaller than the sum of its proper divisors (1177923619348).

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

1111222101332 is a wasteful number, since it uses less digits than its factorization.

1111222101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44601 (or 44592 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1111222101332 its reverse (2331012221111), we get a palindrome (3442234322443).

The spelling of 1111222101332 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, three hundred thirty-two".