21010200112010 has 64 divisors (see below), whose sum is σ = 39250299838464. Its totient is φ = 8088888763200.

The previous prime is 21010200111991. The next prime is 21010200112049. The reversal of 21010200112010 is 1021100201012.

It is a junction number, because it is equal to n+sod(n) for n = 21010200111982 and 21010200112000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69021845 + ... + 69325575.

It is an arithmetic number, because the mean of its divisors is an integer number (613285934976).

Almost surely, 2^{21010200112010} is an apocalyptic number.

21010200112010 is a deficient number, since it is larger than the sum of its proper divisors (18240099726454).

21010200112010 is a wasteful number, since it uses less digits than its factorization.

21010200112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304979.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21010200112010 its reverse (1021100201012), we get a palindrome (22031300313022).

The spelling of 21010200112010 in words is "twenty-one trillion, ten billion, two hundred million, one hundred twelve thousand, ten".