2101001223200 has 72 divisors (see below), whose sum is σ = 5595348281040. Its totient is φ = 764000441600.

The previous prime is 2101001223173. The next prime is 2101001223203. The reversal of 2101001223200 is 23221001012.

It is a happy number.

It is a super-2 number, since 2×2101001223200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101001223203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119366270 + ... + 119383869.

It is an arithmetic number, because the mean of its divisors is an integer number (77713170570).

Almost surely, 2^{2101001223200} is an apocalyptic number.

2101001223200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101001223200 is an abundant number, since it is smaller than the sum of its proper divisors (3494347057840).

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

2101001223200 is a wasteful number, since it uses less digits than its factorization.

2101001223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238750170 (or 238750157 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2101001223200 its reverse (23221001012), we get a palindrome (2124222224212).

The spelling of 2101001223200 in words is "two trillion, one hundred one billion, one million, two hundred twenty-three thousand, two hundred".