3211221101131 has 8 divisors (see below), whose sum is σ = 3303187738704. Its totient is φ = 3120522969120.

The previous prime is 3211221101129. The next prime is 3211221101189. The reversal of 3211221101131 is 1311011221123.

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 3211221101131 - 2¹ = 3211221101129 is a prime.

It is a super-2 number, since 2×3211221101131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211221101099 and 3211221101108.

It is not an unprimeable number, because it can be changed into a prime (3211221801131) 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, 317121256 + ... + 317131381.

It is an arithmetic number, because the mean of its divisors is an integer number (412898467338).

Almost surely, 2^{3211221101131} is an apocalyptic number.

3211221101131 is a deficient number, since it is larger than the sum of its proper divisors (91966637573).

3211221101131 is an equidigital number, since it uses as much as digits as its factorization.

3211221101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634252781.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 3211221101131 its reverse (1311011221123), we get a palindrome (4522232322254).

The spelling of 3211221101131 in words is "three trillion, two hundred eleven billion, two hundred twenty-one million, one hundred one thousand, one hundred thirty-one".