1001032243221 has 8 divisors (see below), whose sum is σ = 1335738737344. Its totient is φ = 666840288960.

The previous prime is 1001032243213. The next prime is 1001032243283. The reversal of 1001032243221 is 1223422301001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001032243221 - 2³ = 1001032243213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001032243721) 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, 128630425 + ... + 128638206.

It is an arithmetic number, because the mean of its divisors is an integer number (166967342168).

Almost surely, 2^{1001032243221} is an apocalyptic number.

It is an amenable number.

1001032243221 is a deficient number, since it is larger than the sum of its proper divisors (334706494123).

1001032243221 is a wasteful number, since it uses less digits than its factorization.

1001032243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257269931.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1001032243221 its reverse (1223422301001), we get a palindrome (2224454544222).

It can be divided in two parts, 1001032 and 243221, that added together give a triangular number (1244253 = T₁₅₇₇).

The spelling of 1001032243221 in words is "one trillion, one billion, thirty-two million, two hundred forty-three thousand, two hundred twenty-one".