3211100000000 has 324 divisors, whose sum is σ = 8102140382952. Its totient is φ = 1270080000000.

The previous prime is 3211099999951. The next prime is 3211100000023. The reversal of 3211100000000 is 11123.

It is a super-2 number, since 2×3211100000000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16299999902 + ... + 16300000098.

Almost surely, 2^{3211100000000} 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 3211100000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4051070191476).

3211100000000 is an abundant number, since it is smaller than the sum of its proper divisors (4891040382952).

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

3211100000000 is an frugal number, since it uses more digits than its factorization.

3211100000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 3211100000000 its reverse (11123), we get a palindrome (3211100011123).

The spelling of 3211100000000 in words is "three trillion, two hundred eleven billion, one hundred million", and thus it is an aban number.