222101121132 has 72 divisors (see below), whose sum is σ = 639089418240. Its totient is φ = 64377133920.

The previous prime is 222101121131. The next prime is 222101121217. The reversal of 222101121132 is 231121101222.

It is a super-2 number, since 2×222101121132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222101121131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12183532 + ... + 12201747.

It is an arithmetic number, because the mean of its divisors is an integer number (8876241920).

Almost surely, 2^222101121132 is an apocalyptic number.

222101121132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222101121132 is an abundant number, since it is smaller than the sum of its proper divisors (416988297108).

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

222101121132 is a wasteful number, since it uses less digits than its factorization.

222101121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24385323 (or 24385318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 222101121132 its reverse (231121101222), we get a palindrome (453222222354).

The spelling of 222101121132 in words is "two hundred twenty-two billion, one hundred one million, one hundred twenty-one thousand, one hundred thirty-two".