2121000200010 has 96 divisors (see below), whose sum is σ = 5784147263232. Its totient is φ = 538604726400.

The previous prime is 2121000200009. The next prime is 2121000200027. The reversal of 2121000200010 is 100020001212.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2121000199965 and 2121000200001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6619416 + ... + 6932435.

It is an arithmetic number, because the mean of its divisors is an integer number (60251533992).

Almost surely, 2^{2121000200010} is an apocalyptic number.

2121000200010 is an abundant number, since it is smaller than the sum of its proper divisors (3663147063222).

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

2121000200010 is a wasteful number, since it uses less digits than its factorization.

2121000200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551948 (or 13551945 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2121000200010 its reverse (100020001212), we get a palindrome (2221020201222).

The spelling of 2121000200010 in words is "two trillion, one hundred twenty-one billion, two hundred thousand, ten".