221241122032 has 80 divisors (see below), whose sum is σ = 506910412800. Its totient is φ = 91525190400.

The previous prime is 221241121919. The next prime is 221241122051. The reversal of 221241122032 is 230221142122.

It is a junction number, because it is equal to n+sod(n) for n = 221241121994 and 221241122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20947569 + ... + 20958127.

It is an arithmetic number, because the mean of its divisors is an integer number (6336380160).

Almost surely, 2^221241122032 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 221241122032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253455206400).

221241122032 is an abundant number, since it is smaller than the sum of its proper divisors (285669290768).

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

221241122032 is a wasteful number, since it uses less digits than its factorization.

221241122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054 (or 17048 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221241122032 its reverse (230221142122), we get a palindrome (451462264154).

The spelling of 221241122032 in words is "two hundred twenty-one billion, two hundred forty-one million, one hundred twenty-two thousand, thirty-two".