201102201021012 has 24 divisors (see below), whose sum is σ = 470839965538656. Its totient is φ = 66805281794208.

The previous prime is 201102201020989. The next prime is 201102201021017. The reversal of 201102201021012 is 210120102201102.

It is a junction number, because it is equal to n+sod(n) for n = 201102201020982 and 201102201021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102201021017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28598147938 + ... + 28598154969.

It is an arithmetic number, because the mean of its divisors is an integer number (19618331897444).

Almost surely, 2^{201102201021012} is an apocalyptic number.

It is an amenable number.

201102201021012 is an abundant number, since it is smaller than the sum of its proper divisors (269737764517644).

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

201102201021012 is a wasteful number, since it uses less digits than its factorization.

201102201021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57196303207 (or 57196303205 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201102201021012 its reverse (210120102201102), we get a palindrome (411222303222114).

The spelling of 201102201021012 in words is "two hundred one trillion, one hundred two billion, two hundred one million, twenty-one thousand, twelve".