10121434111 has 2 divisors, whose sum is σ = 10121434112. Its totient is φ = 10121434110.

The previous prime is 10121434093. The next prime is 10121434117. The reversal of 10121434111 is 11143412101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121434111 - 2⁷ = 10121433983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121434117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060717055 + 5060717056.

It is an arithmetic number, because the mean of its divisors is an integer number (5060717056).

Almost surely, 2^10121434111 is an apocalyptic number.

10121434111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121434111 is an equidigital number, since it uses as much as digits as its factorization.

10121434111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10121434111 its reverse (11143412101), we get a palindrome (21264846212).

It can be divided in two parts, 10 and 121434111, that added together give a palindrome (121434121).

The spelling of 10121434111 in words is "ten billion, one hundred twenty-one million, four hundred thirty-four thousand, one hundred eleven".