201220001011000 has 64 divisors (see below), whose sum is σ = 495636634116000. Its totient is φ = 76251789849600.

The previous prime is 201220001010991. The next prime is 201220001011163. The reversal of 201220001011000 is 110100022102.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5295244185 + ... + 5295282184.

Almost surely, 2^{201220001011000} is an apocalyptic number.

201220001011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220001011000 is an abundant number, since it is smaller than the sum of its proper divisors (294416633105000).

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

201220001011000 is a wasteful number, since it uses less digits than its factorization.

201220001011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10590526409 (or 10590526395 counting only the distinct ones).

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

Adding to 201220001011000 its reverse (110100022102), we get a palindrome (201330101033102).

The spelling of 201220001011000 in words is "two hundred one trillion, two hundred twenty billion, one million, eleven thousand".