201021012010000 has 200 divisors, whose sum is σ = 599005506929984. Its totient is φ = 63619836480000.

The previous prime is 201021012009947. The next prime is 201021012010057. The reversal of 201021012010000 is 10210120102.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 109541106 + ... + 111361105.

Almost surely, 2^{201021012010000} is an apocalyptic number.

201021012010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201021012010000 is an abundant number, since it is smaller than the sum of its proper divisors (397984494919984).

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

201021012010000 is a wasteful number, since it uses less digits than its factorization.

201021012010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220902259 (or 220902238 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201021012010000 its reverse (10210120102), we get a palindrome (201031222130102).

The spelling of 201021012010000 in words is "two hundred one trillion, twenty-one billion, twelve million, ten thousand".