3211233112221 has 8 divisors (see below), whose sum is σ = 4323213510720. Its totient is φ = 2120037394272.

The previous prime is 3211233112211. The next prime is 3211233112253. The reversal of 3211233112221 is 1222113321123.

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

It is not a de Polignac number, because 3211233112221 - 2⁵ = 3211233112189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3211233112191 and 3211233112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211233112201) 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, 5196169776 + ... + 5196170393.

It is an arithmetic number, because the mean of its divisors is an integer number (540401688840).

Almost surely, 2^{3211233112221} is an apocalyptic number.

It is an amenable number.

3211233112221 is a deficient number, since it is larger than the sum of its proper divisors (1111980398499).

3211233112221 is a wasteful number, since it uses less digits than its factorization.

3211233112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392340275.

The product of its digits is 864, while the sum is 24.

Adding to 3211233112221 its reverse (1222113321123), we get a palindrome (4433346433344).

The spelling of 3211233112221 in words is "three trillion, two hundred eleven billion, two hundred thirty-three million, one hundred twelve thousand, two hundred twenty-one".