10121001101 has 2 divisors, whose sum is σ = 10121001102. Its totient is φ = 10121001100.

The previous prime is 10121001091. The next prime is 10121001113. The reversal of 10121001101 is 10110012101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8930061001 + 1190940100 = 94499^2 + 34510^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121001101 - 2¹⁰ = 10121000077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121001151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060500550 + 5060500551.

It is an arithmetic number, because the mean of its divisors is an integer number (5060500551).

Almost surely, 2^10121001101 is an apocalyptic number.

It is an amenable number.

10121001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121001101 is an equidigital number, since it uses as much as digits as its factorization.

10121001101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10121001101 its reverse (10110012101), we get a palindrome (20231013202).

The spelling of 10121001101 in words is "ten billion, one hundred twenty-one million, one thousand, one hundred one".