101020121122111 has 2 divisors, whose sum is σ = 101020121122112. Its totient is φ = 101020121122110.

The previous prime is 101020121122079. The next prime is 101020121122163. The reversal of 101020121122111 is 111221121020101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101020121122111 - 2⁵ = 101020121122079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101020121122511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510060561055 + 50510060561056.

It is an arithmetic number, because the mean of its divisors is an integer number (50510060561056).

Almost surely, 2^{101020121122111} is an apocalyptic number.

101020121122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020121122111 is an equidigital number, since it uses as much as digits as its factorization.

101020121122111 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 101020121122111 its reverse (111221121020101), we get a palindrome (212241242142212).

The spelling of 101020121122111 in words is "one hundred one trillion, twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".