3211120232021 has 16 divisors (see below), whose sum is σ = 3675796198704. Its totient is φ = 2778896400384.

The previous prime is 3211120232011. The next prime is 3211120232039. The reversal of 3211120232021 is 1202320211123.

It can be written as a sum of positive squares in 8 ways, for example, as 398304880996 + 2812815351025 = 631114^2 + 1677145^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3211120232021 is a prime.

It is a super-2 number, since 2×3211120232021² (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 = 3211120231984 and 3211120232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211120232011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28211600 + ... + 28325193.

It is an arithmetic number, because the mean of its divisors is an integer number (229737262419).

Almost surely, 2^{3211120232021} is an apocalyptic number.

It is an amenable number.

3211120232021 is a deficient number, since it is larger than the sum of its proper divisors (464675966683).

3211120232021 is a wasteful number, since it uses less digits than its factorization.

3211120232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56537080.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3211120232021 its reverse (1202320211123), we get a palindrome (4413440443144).

The spelling of 3211120232021 in words is "three trillion, two hundred eleven billion, one hundred twenty million, two hundred thirty-two thousand, twenty-one".