202011200001 has 12 divisors (see below), whose sum is σ = 314239644628. Its totient is φ = 124314584544.

The previous prime is 202011199933. The next prime is 202011200009. The reversal of 202011200001 is 100002110202.

It can be written as a sum of positive squares in 2 ways, for example, as 136863742401 + 65147457600 = 369951^2 + 255240^2 .

It is not a de Polignac number, because 202011200001 - 2¹⁵ = 202011167233 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 (202011200009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863295610 + ... + 863295843.

Almost surely, 2^202011200001 is an apocalyptic number.

It is an amenable number.

202011200001 is a deficient number, since it is larger than the sum of its proper divisors (112228444627).

202011200001 is a wasteful number, since it uses less digits than its factorization.

202011200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726591472 (or 1726591469 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 202011200001 its reverse (100002110202), we get a palindrome (302013310203).

The spelling of 202011200001 in words is "two hundred two billion, eleven million, two hundred thousand, one".