3211122013220 has 24 divisors (see below), whose sum is σ = 7356388612608. Its totient is φ = 1167680732000.

The previous prime is 3211122013181. The next prime is 3211122013237. The reversal of 3211122013220 is 223102211123.

3211122013220 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-2 number, since 2×3211122013220² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3211122013192 and 3211122013201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7298004356 + ... + 7298004795.

It is an arithmetic number, because the mean of its divisors is an integer number (306516192192).

Almost surely, 2^{3211122013220} is an apocalyptic number.

It is an amenable number.

3211122013220 is an abundant number, since it is smaller than the sum of its proper divisors (4145266599388).

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

3211122013220 is a wasteful number, since it uses less digits than its factorization.

3211122013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14596009171 (or 14596009169 counting only the distinct ones).

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

Adding to 3211122013220 its reverse (223102211123), we get a palindrome (3434224224343).

It can be divided in two parts, 321112 and 2013220, that added together give a palindrome (2334332).

The spelling of 3211122013220 in words is "three trillion, two hundred eleven billion, one hundred twenty-two million, thirteen thousand, two hundred twenty".