2232211021221 has 8 divisors (see below), whose sum is σ = 2976413070240. Its totient is φ = 1488074826512.

The previous prime is 2232211021219. The next prime is 2232211021241. The reversal of 2232211021221 is 1221201122322.

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

It is a cyclic number.

It is not a de Polignac number, because 2232211021221 - 2¹ = 2232211021219 is a prime.

It is a super-3 number, since 3×2232211021221³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232211021211) 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, 16384431 + ... + 16520108.

It is an arithmetic number, because the mean of its divisors is an integer number (372051633780).

Almost surely, 2^{2232211021221} is an apocalyptic number.

It is an amenable number.

2232211021221 is a deficient number, since it is larger than the sum of its proper divisors (744202049019).

2232211021221 is a wasteful number, since it uses less digits than its factorization.

2232211021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32927155.

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

Adding to 2232211021221 its reverse (1221201122322), we get a palindrome (3453412143543).

The spelling of 2232211021221 in words is "two trillion, two hundred thirty-two billion, two hundred eleven million, twenty-one thousand, two hundred twenty-one".