11121221222132 has 48 divisors (see below), whose sum is σ = 23337734714112. Its totient is φ = 4533821994240.

The previous prime is 11121221222131. The next prime is 11121221222143. The reversal of 11121221222132 is 23122212212111.

It is a super-2 number, since 2×11121221222132² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 11121221222098 and 11121221222107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121221222131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47587793 + ... + 47820920.

It is an arithmetic number, because the mean of its divisors is an integer number (486202806544).

Almost surely, 2^{11121221222132} is an apocalyptic number.

It is an amenable number.

11121221222132 is an abundant number, since it is smaller than the sum of its proper divisors (12216513491980).

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

11121221222132 is a wasteful number, since it uses less digits than its factorization.

11121221222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95408928 (or 95408926 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

Adding to 11121221222132 its reverse (23122212212111), we get a palindrome (34243433434243).

The spelling of 11121221222132 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-two".