2101213301100 has 36 divisors (see below), whose sum is σ = 6079510485384. Its totient is φ = 560323546880.

The previous prime is 2101213301093. The next prime is 2101213301113. The reversal of 2101213301100 is 11033121012.

It is a happy number.

It is a super-2 number, since 2×2101213301100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2101213301100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3502021869 + ... + 3502022468.

Almost surely, 2^{2101213301100} is an apocalyptic number.

2101213301100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101213301100 is an abundant number, since it is smaller than the sum of its proper divisors (3978297184284).

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

2101213301100 is a wasteful number, since it uses less digits than its factorization.

2101213301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004044354 (or 7004044347 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2101213301100 its reverse (11033121012), we get a palindrome (2112246422112).

The spelling of 2101213301100 in words is "two trillion, one hundred one billion, two hundred thirteen million, three hundred one thousand, one hundred".