21110102000010 has 40 divisors (see below), whose sum is σ = 56762718713316. Its totient is φ = 5629360533120.

The previous prime is 21110102000003. The next prime is 21110102000017. The reversal of 21110102000010 is 1000020101112.

It is a happy number.

21110102000010 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (21110102000003) and next prime (21110102000017).

It can be written as a sum of positive squares in 2 ways, for example, as 19747953913689 + 1362148086321 = 4443867^2 + 1167111^2 .

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 = 21110101999956 and 21110102000001.

It is not an unprimeable number, because it can be changed into a prime (21110102000017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13030926351 + ... + 13030927970.

Almost surely, 2^{21110102000010} is an apocalyptic number.

21110102000010 is an abundant number, since it is smaller than the sum of its proper divisors (35652616713306).

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

21110102000010 is a wasteful number, since it uses less digits than its factorization.

21110102000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061854340 (or 26061854331 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 21110102000010 its reverse (1000020101112), we get a palindrome (22110122101122).

The spelling of 21110102000010 in words is "twenty-one trillion, one hundred ten billion, one hundred two million, ten", and thus it is an aban number.