10122012111 has 16 divisors (see below), whose sum is σ = 13548944384. Its totient is φ = 6721596864.

The previous prime is 10122012059. The next prime is 10122012119. The reversal of 10122012111 is 11121022101.

It is not a de Polignac number, because 10122012111 - 2¹⁴ = 10121995727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122012119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826116 + ... + 838278.

It is an arithmetic number, because the mean of its divisors is an integer number (846809024).

Almost surely, 2^10122012111 is an apocalyptic number.

10122012111 is a deficient number, since it is larger than the sum of its proper divisors (3426932273).

10122012111 is a wasteful number, since it uses less digits than its factorization.

10122012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13230.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10122012111 its reverse (11121022101), we get a palindrome (21243034212).

The spelling of 10122012111 in words is "ten billion, one hundred twenty-two million, twelve thousand, one hundred eleven".