2101311201200 has 120 divisors (see below), whose sum is σ = 5065201282560. Its totient is φ = 837730080000.

The previous prime is 2101311201193. The next prime is 2101311201259. The reversal of 2101311201200 is 21021131012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330443621 + ... + 330449979.

It is an arithmetic number, because the mean of its divisors is an integer number (42210010688).

Almost surely, 2^{2101311201200} is an apocalyptic number.

2101311201200 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 2101311201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532600641280).

2101311201200 is an abundant number, since it is smaller than the sum of its proper divisors (2963890081360).

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

2101311201200 is a wasteful number, since it uses less digits than its factorization.

2101311201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995 (or 8984 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2101311201200 its reverse (21021131012), we get a palindrome (2122332332212).

The spelling of 2101311201200 in words is "two trillion, one hundred one billion, three hundred eleven million, two hundred one thousand, two hundred".