221202212001132 has 96 divisors (see below), whose sum is σ = 554428825090560. Its totient is φ = 68390703037440.

The previous prime is 221202212001101. The next prime is 221202212001161. The reversal of 221202212001132 is 231100212202122.

It is a junction number, because it is equal to n+sod(n) for n = 221202212001099 and 221202212001108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31405923 + ... + 37798629.

It is an arithmetic number, because the mean of its divisors is an integer number (5775300261360).

Almost surely, 2^{221202212001132} 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 221202212001132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277214412545280).

221202212001132 is an abundant number, since it is smaller than the sum of its proper divisors (333226613089428).

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

221202212001132 is a wasteful number, since it uses less digits than its factorization.

221202212001132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395191 (or 6395189 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221202212001132 its reverse (231100212202122), we get a palindrome (452302424203254).

The spelling of 221202212001132 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred twelve million, one thousand, one hundred thirty-two".