3211201211020 has 96 divisors (see below), whose sum is σ = 7426150502400. Its totient is φ = 1156707805440.

The previous prime is 3211201211017. The next prime is 3211201211051. The reversal of 3211201211020 is 201121021123.

3211201211020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×3211201211020⁴ (a number of 51 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3211201210985 and 3211201211003.

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, 11896797 + ... + 12163723.

It is an arithmetic number, because the mean of its divisors is an integer number (77355734400).

Almost surely, 2^{3211201211020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3211201211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3713075251200).

3211201211020 is an abundant number, since it is smaller than the sum of its proper divisors (4214949291380).

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

3211201211020 is a wasteful number, since it uses less digits than its factorization.

3211201211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267463 (or 267461 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 3211201211020 its reverse (201121021123), we get a palindrome (3412322232143).

The spelling of 3211201211020 in words is "three trillion, two hundred eleven billion, two hundred one million, two hundred eleven thousand, twenty".