201101010012 has 48 divisors (see below), whose sum is σ = 595854846720. Its totient is φ = 57457431216.

The previous prime is 201101010001. The next prime is 201101010013. The reversal of 201101010012 is 210010101102.

It is a happy number.

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 = 201101009976 and 201101010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101010013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133002558 + ... + 133004069.

It is an arithmetic number, because the mean of its divisors is an integer number (12413642640).

Almost surely, 2^201101010012 is an apocalyptic number.

It is an amenable number.

201101010012 is an abundant number, since it is smaller than the sum of its proper divisors (394753836708).

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

201101010012 is a wasteful number, since it uses less digits than its factorization.

201101010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266006647 (or 266006639 counting only the distinct ones).

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

Adding to 201101010012 its reverse (210010101102), we get a palindrome (411111111114).

The spelling of 201101010012 in words is "two hundred one billion, one hundred one million, ten thousand, twelve".