21101000230010 has 16 divisors (see below), whose sum is σ = 38005583661576. Its totient is φ = 8435114925888.

The previous prime is 21101000230001. The next prime is 21101000230019. The reversal of 21101000230010 is 1003200010112.

It is an interprime number because it is at equal distance from previous prime (21101000230001) and next prime (21101000230019).

It can be written as a sum of positive squares in 4 ways, for example, as 19557524467321 + 1543475762689 = 4422389^2 + 1242367^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21101000229973 and 21101000230000.

It is not an unprimeable number, because it can be changed into a prime (21101000230019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660628997 + ... + 660660936.

Almost surely, 2^{21101000230010} is an apocalyptic number.

21101000230010 is a deficient number, since it is larger than the sum of its proper divisors (16904583431566).

21101000230010 is a wasteful number, since it uses less digits than its factorization.

21101000230010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321291537.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21101000230010 its reverse (1003200010112), we get a palindrome (22104200240122).

The spelling of 21101000230010 in words is "twenty-one trillion, one hundred one billion, two hundred thirty thousand, ten".