202111011101011 has 16 divisors (see below), whose sum is σ = 205805737431040. Its totient is φ = 198428921298720.

The previous prime is 202111011100981. The next prime is 202111011101071. The reversal of 202111011101011 is 110101110111202.

202111011101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202111011101011 - 2⁷ = 202111011100883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202111011100982 and 202111011101000.

It is not an unprimeable number, because it can be changed into a prime (202111011101071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71661406 + ... + 74428348.

It is an arithmetic number, because the mean of its divisors is an integer number (12862858589440).

Almost surely, 2^{202111011101011} is an apocalyptic number.

202111011101011 is a deficient number, since it is larger than the sum of its proper divisors (3694726330029).

202111011101011 is a wasteful number, since it uses less digits than its factorization.

202111011101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769226.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 202111011101011 its reverse (110101110111202), we get a palindrome (312212121212213).

The spelling of 202111011101011 in words is "two hundred two trillion, one hundred eleven billion, eleven million, one hundred one thousand, eleven".