201110010012 has 72 divisors (see below), whose sum is σ = 529253235056. Its totient is φ = 64331345664.

The previous prime is 201110009927. The next prime is 201110010037. The reversal of 201110010012 is 210010011102.

It is a happy number.

It is a super-2 number, since 2×201110010012² (a number of 23 digits) contains 22 as substring.

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 = 201110009976 and 201110010003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936898 + ... + 1131369.

Almost surely, 2^201110010012 is an apocalyptic number.

It is an amenable number.

201110010012 is an abundant number, since it is smaller than the sum of its proper divisors (328143225044).

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

201110010012 is a wasteful number, since it uses less digits than its factorization.

201110010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068387 (or 2068382 counting only the distinct ones).

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

Adding to 201110010012 its reverse (210010011102), we get a palindrome (411120021114).

The spelling of 201110010012 in words is "two hundred one billion, one hundred ten million, ten thousand, twelve".