210011201028 has 36 divisors (see below), whose sum is σ = 531315094128. Its totient is φ = 69943938480.

The previous prime is 210011201021. The next prime is 210011201083. The reversal of 210011201028 is 820102110012.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 210011201028.

It is not an unprimeable number, because it can be changed into a prime (210011201021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2448726 + ... + 2533037.

Almost surely, 2^210011201028 is an apocalyptic number.

It is an amenable number.

210011201028 is an abundant number, since it is smaller than the sum of its proper divisors (321303893100).

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

210011201028 is a wasteful number, since it uses less digits than its factorization.

210011201028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982944 (or 4982939 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 210011201028 in words is "two hundred ten billion, eleven million, two hundred one thousand, twenty-eight".