202001021010011 has 4 divisors (see below), whose sum is σ = 202136683215000. Its totient is φ = 201865358805024.

The previous prime is 202001021009933. The next prime is 202001021010023. The reversal of 202001021010011 is 110010120100202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001021010011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001021009974 and 202001021010001.

It is not an unprimeable number, because it can be changed into a prime (202001021010311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67831100261 + ... + 67831103238.

It is an arithmetic number, because the mean of its divisors is an integer number (50534170803750).

Almost surely, 2^{202001021010011} is an apocalyptic number.

202001021010011 is a deficient number, since it is larger than the sum of its proper divisors (135662204989).

202001021010011 is a wasteful number, since it uses less digits than its factorization.

202001021010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135662204988.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202001021010011 its reverse (110010120100202), we get a palindrome (312011141110213).

The spelling of 202001021010011 in words is "two hundred two trillion, one billion, twenty-one million, ten thousand, eleven".