201110012010 has 48 divisors (see below), whose sum is σ = 537018095016. Its totient is φ = 52179894144.

The previous prime is 201110012003. The next prime is 201110012017. The reversal of 201110012010 is 10210011102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201110012003) and next prime (201110012017).

It can be written as a sum of positive squares in 4 ways, for example, as 175350725001 + 25759287009 = 418749^2 + 160497^2 .

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 = 201110011983 and 201110012001.

It is not an unprimeable number, because it can be changed into a prime (201110012017) 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, 30193369 + ... + 30200028.

Almost surely, 2^201110012010 is an apocalyptic number.

201110012010 is an abundant number, since it is smaller than the sum of its proper divisors (335908083006).

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

201110012010 is a wasteful number, since it uses less digits than its factorization.

201110012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60393447 (or 60393444 counting only the distinct ones).

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

Adding to 201110012010 its reverse (10210011102), we get a palindrome (211320023112).

The spelling of 201110012010 in words is "two hundred one billion, one hundred ten million, twelve thousand, ten".