201101001200 has 60 divisors (see below), whose sum is σ = 527067453768. Its totient is φ = 73127635200.

The previous prime is 201101001197. The next prime is 201101001223. The reversal of 201101001200 is 2100101102.

201101001200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201101001200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22847987 + ... + 22856786.

Almost surely, 2^201101001200 is an apocalyptic number.

201101001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101001200 is an abundant number, since it is smaller than the sum of its proper divisors (325966452568).

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

201101001200 is a wasteful number, since it uses less digits than its factorization.

201101001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45704802 (or 45704791 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201101001200 its reverse (2100101102), we get a palindrome (203201102302).

The spelling of 201101001200 in words is "two hundred one billion, one hundred one million, one thousand, two hundred".