201001002111000 has 384 divisors, whose sum is σ = 836164172188800. Its totient is φ = 42409002470400.

The previous prime is 201001002110969. The next prime is 201001002111029. The reversal of 201001002111000 is 111200100102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121892235 + ... + 123530234.

It is an arithmetic number, because the mean of its divisors is an integer number (2177510865075).

Almost surely, 2^{201001002111000} is an apocalyptic number.

201001002111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001002111000 is an abundant number, since it is smaller than the sum of its proper divisors (635163170077800).

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

201001002111000 is a wasteful number, since it uses less digits than its factorization.

201001002111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245422516 (or 245422499 counting only the distinct ones).

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

Adding to 201001002111000 its reverse (111200100102), we get a palindrome (201112202211102).

The spelling of 201001002111000 in words is "two hundred one trillion, one billion, two million, one hundred eleven thousand".