2111320020320 has 576 divisors, whose sum is σ = 6028522536960. Its totient is φ = 696336076800.

The previous prime is 2111320020319. The next prime is 2111320020391. The reversal of 2111320020320 is 230200231112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9219737966 + ... + 9219738194.

It is an arithmetic number, because the mean of its divisors is an integer number (10466184960).

Almost surely, 2^{2111320020320} is an apocalyptic number.

2111320020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111320020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014261268480).

2111320020320 is an abundant number, since it is smaller than the sum of its proper divisors (3917202516640).

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

2111320020320 is a wasteful number, since it uses less digits than its factorization.

2111320020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2111320020320 its reverse (230200231112), we get a palindrome (2341520251432).

The spelling of 2111320020320 in words is "two trillion, one hundred eleven billion, three hundred twenty million, twenty thousand, three hundred twenty".