3111230221000 has 512 divisors, whose sum is σ = 8576912448000. Its totient is φ = 1044306432000.

The previous prime is 3111230220977. The next prime is 3111230221003. The reversal of 3111230221000 is 1220321113.

It is not an unprimeable number, because it can be changed into a prime (3111230221003) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1739088106 + ... + 1739089894.

It is an arithmetic number, because the mean of its divisors is an integer number (16751782125).

Almost surely, 2^{3111230221000} 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 3111230221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4288456224000).

3111230221000 is an abundant number, since it is smaller than the sum of its proper divisors (5465682227000).

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

3111230221000 is a wasteful number, since it uses less digits than its factorization.

3111230221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3111230221000 its reverse (1220321113), we get a palindrome (3112450542113).

The spelling of 3111230221000 in words is "three trillion, one hundred eleven billion, two hundred thirty million, two hundred twenty-one thousand".