202011121011 has 12 divisors (see below), whose sum is σ = 313323371592. Its totient is φ = 115434926208.

The previous prime is 202011120973. The next prime is 202011121019. The reversal of 202011121011 is 110121110202.

202011121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202011121011 - 2⁶ = 202011120947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202011121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687112510 + ... + 687112803.

It is an arithmetic number, because the mean of its divisors is an integer number (26110280966).

Almost surely, 2^202011121011 is an apocalyptic number.

202011121011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202011121011 is a deficient number, since it is larger than the sum of its proper divisors (111312250581).

202011121011 is a wasteful number, since it uses less digits than its factorization.

202011121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374225330 (or 1374225323 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 202011121011 its reverse (110121110202), we get a palindrome (312132231213).

The spelling of 202011121011 in words is "two hundred two billion, eleven million, one hundred twenty-one thousand, eleven".