201101000028 has 24 divisors (see below), whose sum is σ = 470294901888. Its totient is φ = 66882347376.

The previous prime is 201100999993. The next prime is 201101000029. The reversal of 201101000028 is 820000101102.

It is a super-2 number, since 2×201101000028² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201100999980 and 201101000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101000029) 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, 18909376 + ... + 18920007.

It is an arithmetic number, because the mean of its divisors is an integer number (19595620912).

Almost surely, 2^201101000028 is an apocalyptic number.

It is an amenable number.

201101000028 is an abundant number, since it is smaller than the sum of its proper divisors (269193901860).

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

201101000028 is a wasteful number, since it uses less digits than its factorization.

201101000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37829833 (or 37829831 counting only the distinct ones).

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

The spelling of 201101000028 in words is "two hundred one billion, one hundred one million, twenty-eight", and thus it is an aban number.