201110021000010 has 48 divisors (see below), whose sum is σ = 525169399870440. Its totient is φ = 53395149674880.

The previous prime is 201110021000003. The next prime is 201110021000017. The reversal of 201110021000010 is 10000120011102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201110021000003) and next prime (201110021000017).

It can be written as a sum of positive squares in 4 ways, for example, as 149004477014121 + 52105543985889 = 12206739^2 + 7218417^2 .

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 = 201110020999956 and 201110021000001.

It is not an unprimeable number, because it can be changed into a prime (201110021000017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4878922161 + ... + 4878963380.

Almost surely, 2^{201110021000010} is an apocalyptic number.

201110021000010 is an abundant number, since it is smaller than the sum of its proper divisors (324059378870430).

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

201110021000010 is a wasteful number, since it uses less digits than its factorization.

201110021000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757885783 (or 9757885780 counting only the distinct ones).

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

Adding to 201110021000010 its reverse (10000120011102), we get a palindrome (211110141011112).

The spelling of 201110021000010 in words is "two hundred one trillion, one hundred ten billion, twenty-one million, ten", and thus it is an aban number.