21101122111067 has 2 divisors, whose sum is σ = 21101122111068. Its totient is φ = 21101122111066.

The previous prime is 21101122111031. The next prime is 21101122111129. The reversal of 21101122111067 is 76011122110112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21101122111067 - 2⁸ = 21101122110811 is a prime.

It is not a weakly prime, because it can be changed into another prime (21101122111967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550561055533 + 10550561055534.

It is an arithmetic number, because the mean of its divisors is an integer number (10550561055534).

Almost surely, 2^{21101122111067} is an apocalyptic number.

21101122111067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21101122111067 is an equidigital number, since it uses as much as digits as its factorization.

21101122111067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 21101122111067 its reverse (76011122110112), we get a palindrome (97112244221179).

The spelling of 21101122111067 in words is "twenty-one trillion, one hundred one billion, one hundred twenty-two million, one hundred eleven thousand, sixty-seven".