200001021011 has 8 divisors (see below), whose sum is σ = 218194409664. Its totient is φ = 181809545320.

The previous prime is 200001021007. The next prime is 200001021049. The reversal of 200001021011 is 110120100002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200001021011 - 2² = 200001021007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200001021011.

It is not an unprimeable number, because it can be changed into a prime (200001021211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255101 + ... + 681966.

It is an arithmetic number, because the mean of its divisors is an integer number (27274301208).

Almost surely, 2^200001021011 is an apocalyptic number.

200001021011 is a deficient number, since it is larger than the sum of its proper divisors (18193388653).

200001021011 is a wasteful number, since it uses less digits than its factorization.

200001021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956481.

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

Adding to 200001021011 its reverse (110120100002), we get a palindrome (310121121013).

The spelling of 200001021011 in words is "two hundred billion, one million, twenty-one thousand, eleven".