1121221113132 has 24 divisors (see below), whose sum is σ = 2616209252272. Its totient is φ = 373736563200.

The previous prime is 1121221113119. The next prime is 1121221113139. The reversal of 1121221113132 is 2313111221211.

It is a super-2 number, since 2×1121221113132² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1121221113099 and 1121221113108.

It is not an unprimeable number, because it can be changed into a prime (1121221113139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913032 + ... + 1753872.

Almost surely, 2^{1121221113132} is an apocalyptic number.

1121221113132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121221113132 is an abundant number, since it is smaller than the sum of its proper divisors (1494988139140).

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

1121221113132 is a wasteful number, since it uses less digits than its factorization.

1121221113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951969 (or 951967 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

Adding to 1121221113132 its reverse (2313111221211), we get a palindrome (3434332334343).

The spelling of 1121221113132 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred thirty-two".