3221201122020 has 96 divisors (see below), whose sum is σ = 11453159558400. Its totient is φ = 736274541312.

The previous prime is 3221201122001. The next prime is 3221201122039. The reversal of 3221201122020 is 202211021223.

3221201122020 is a `hidden beast` number, since 3 + 221 + 201 + 1 + 220 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (3221201122001) and next prime (3221201122039).

It is a super-2 number, since 2×3221201122020² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3221201121984 and 3221201122002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426081025 + ... + 426088584.

It is an arithmetic number, because the mean of its divisors is an integer number (119303745400).

Almost surely, 2^{3221201122020} is an apocalyptic number.

3221201122020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3221201122020 is an abundant number, since it is smaller than the sum of its proper divisors (8231958436380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221201122020 is a wasteful number, since it uses less digits than its factorization.

3221201122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852169634 (or 852169626 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3221201122020 its reverse (202211021223), we get a palindrome (3423412143243).

The spelling of 3221201122020 in words is "three trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-two thousand, twenty".