200020110011001 has 72 divisors (see below), whose sum is σ = 345325633275168. Its totient is φ = 111172579056000.

The previous prime is 200020110010999. The next prime is 200020110011119. The reversal of 200020110011001 is 100110011020002.

It is a happy number.

It is not a de Polignac number, because 200020110011001 - 2¹ = 200020110010999 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (200020110011201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10725835 + ... + 22695456.

It is an arithmetic number, because the mean of its divisors is an integer number (4796189351044).

Almost surely, 2^{200020110011001} is an apocalyptic number.

200020110011001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200020110011001 is a deficient number, since it is larger than the sum of its proper divisors (145305523264167).

200020110011001 is a wasteful number, since it uses less digits than its factorization.

200020110011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33421683 (or 33421673 counting only the distinct ones).

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

Adding to 200020110011001 its reverse (100110011020002), we get a palindrome (300130121031003).

The spelling of 200020110011001 in words is "two hundred trillion, twenty billion, one hundred ten million, eleven thousand, one".