3211012020100 has 72 divisors (see below), whose sum is σ = 7026854627520. Its totient is φ = 1273560136320.

The previous prime is 3211012020079. The next prime is 3211012020109. The reversal of 3211012020100 is 10202101123.

It is not an unprimeable number, because it can be changed into a prime (3211012020109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10933377 + ... + 11223223.

It is an arithmetic number, because the mean of its divisors is an integer number (97595203160).

Almost surely, 2^{3211012020100} 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 3211012020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3513427313760).

3211012020100 is an abundant number, since it is smaller than the sum of its proper divisors (3815842607420).

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

3211012020100 is a wasteful number, since it uses less digits than its factorization.

3211012020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290797 (or 290790 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 3211012020100 its reverse (10202101123), we get a palindrome (3221214121223).

The spelling of 3211012020100 in words is "three trillion, two hundred eleven billion, twelve million, twenty thousand, one hundred".