210021112112011 has 2 divisors, whose sum is σ = 210021112112012. Its totient is φ = 210021112112010.

The previous prime is 210021112111981. The next prime is 210021112112023. The reversal of 210021112112011 is 110211211120012.

210021112112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210021112112011 - 2¹³ = 210021112103819 is a prime.

It is not a weakly prime, because it can be changed into another prime (210021112112081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010556056005 + 105010556056006.

It is an arithmetic number, because the mean of its divisors is an integer number (105010556056006).

Almost surely, 2^{210021112112011} is an apocalyptic number.

210021112112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021112112011 is an equidigital number, since it uses as much as digits as its factorization.

210021112112011 is an evil number, because the sum of its binary digits is even.

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

Adding to 210021112112011 its reverse (110211211120012), we get a palindrome (320232323232023).

The spelling of 210021112112011 in words is "two hundred ten trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, eleven".