10101212011105 has 32 divisors (see below), whose sum is σ = 12523865904000. Its totient is φ = 7816692119040.

The previous prime is 10101212011103. The next prime is 10101212011139. The reversal of 10101212011105 is 50111021210101.

It is not a de Polignac number, because 10101212011105 - 2¹ = 10101212011103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10101212011103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9334771 + ... + 10360519.

It is an arithmetic number, because the mean of its divisors is an integer number (391370809500).

Almost surely, 2^{10101212011105} is an apocalyptic number.

It is an amenable number.

10101212011105 is a deficient number, since it is larger than the sum of its proper divisors (2422653892895).

10101212011105 is a wasteful number, since it uses less digits than its factorization.

10101212011105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026241.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 10101212011105 its reverse (50111021210101), we get a palindrome (60212233221206).

The spelling of 10101212011105 in words is "ten trillion, one hundred one billion, two hundred twelve million, eleven thousand, one hundred five".