21110200013 has 8 divisors (see below), whose sum is σ = 24127021632. Its totient is φ = 18093648096.

The previous prime is 21110200003. The next prime is 21110200037. The reversal of 21110200013 is 31000201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21110200013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21110199967 and 21110200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110200003) 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, 144881 + ... + 251417.

It is an arithmetic number, because the mean of its divisors is an integer number (3015877704).

Almost surely, 2^21110200013 is an apocalyptic number.

It is an amenable number.

21110200013 is a deficient number, since it is larger than the sum of its proper divisors (3016821619).

21110200013 is a wasteful number, since it uses less digits than its factorization.

21110200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134851.

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

Adding to 21110200013 its reverse (31000201112), we get a palindrome (52110401125).

The spelling of 21110200013 in words is "twenty-one billion, one hundred ten million, two hundred thousand, thirteen".