2101222110000 has 200 divisors, whose sum is σ = 7304797654000. Its totient is φ = 517223808000.

The previous prime is 2101222109971. The next prime is 2101222110023. The reversal of 2101222110000 is 112221012.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2303875 + ... + 3083874.

It is an arithmetic number, because the mean of its divisors is an integer number (36523988270).

Almost surely, 2^{2101222110000} is an apocalyptic number.

2101222110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101222110000 is an abundant number, since it is smaller than the sum of its proper divisors (5203575544000).

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

2101222110000 is a wasteful number, since it uses less digits than its factorization.

2101222110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387793 (or 5387772 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2101222110000 its reverse (112221012), we get a palindrome (2101334331012).

The spelling of 2101222110000 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred ten thousand".