202100201111011 has 4 divisors (see below), whose sum is σ = 230971658412592. Its totient is φ = 173228743809432.

The previous prime is 202100201110999. The next prime is 202100201111057. The reversal of 202100201111011 is 110111102001202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202100201111011 - 2¹³ = 202100201102819 is a prime.

It is a super-2 number, since 2×202100201111011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202100201110982 and 202100201111000.

It is not an unprimeable number, because it can be changed into a prime (202100201111411) 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, 14435728650780 + ... + 14435728650793.

It is an arithmetic number, because the mean of its divisors is an integer number (57742914603148).

Almost surely, 2^{202100201111011} is an apocalyptic number.

202100201111011 is a deficient number, since it is larger than the sum of its proper divisors (28871457301581).

202100201111011 is an equidigital number, since it uses as much as digits as its factorization.

202100201111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28871457301580.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 202100201111011 its reverse (110111102001202), we get a palindrome (312211303112213).

The spelling of 202100201111011 in words is "two hundred two trillion, one hundred billion, two hundred one million, one hundred eleven thousand, eleven".