101221001220011 has 2 divisors, whose sum is σ = 101221001220012. Its totient is φ = 101221001220010.

The previous prime is 101221001220007. The next prime is 101221001220077. The reversal of 101221001220011 is 110022100122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221001220011 - 2² = 101221001220007 is a prime.

It is not a weakly prime, because it can be changed into another prime (101221001250011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610500610005 + 50610500610006.

It is an arithmetic number, because the mean of its divisors is an integer number (50610500610006).

Almost surely, 2^{101221001220011} is an apocalyptic number.

101221001220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221001220011 is an equidigital number, since it uses as much as digits as its factorization.

101221001220011 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 14.

Adding to 101221001220011 its reverse (110022100122101), we get a palindrome (211243101342112).

The spelling of 101221001220011 in words is "one hundred one trillion, two hundred twenty-one billion, one million, two hundred twenty thousand, eleven".