202001122121011 has 8 divisors (see below), whose sum is σ = 212788307162880. Its totient is φ = 191229491782728.

The previous prime is 202001122120883. The next prime is 202001122121077. The reversal of 202001122121011 is 110121221100202.

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 202001122121011 - 2⁷ = 202001122120883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202001122128011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3888649231 + ... + 3888701176.

It is an arithmetic number, because the mean of its divisors is an integer number (26598538395360).

Almost surely, 2^{202001122121011} is an apocalyptic number.

202001122121011 is a deficient number, since it is larger than the sum of its proper divisors (10787185041869).

202001122121011 is a wasteful number, since it uses less digits than its factorization.

202001122121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777351793.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202001122121011 its reverse (110121221100202), we get a palindrome (312122343221213).

The spelling of 202001122121011 in words is "two hundred two trillion, one billion, one hundred twenty-two million, one hundred twenty-one thousand, eleven".