10122112012111 has 4 divisors (see below), whose sum is σ = 11042304013224. Its totient is φ = 9201920011000.

The previous prime is 10122112012091. The next prime is 10122112012147. The reversal of 10122112012111 is 11121021122101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10122112012111 - 2⁷ = 10122112011983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122112012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460096000540 + ... + 460096000561.

It is an arithmetic number, because the mean of its divisors is an integer number (2760576003306).

Almost surely, 2^{10122112012111} is an apocalyptic number.

10122112012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10122112012111 is a deficient number, since it is larger than the sum of its proper divisors (920192001113).

10122112012111 is an equidigital number, since it uses as much as digits as its factorization.

10122112012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920192001112.

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

Adding to 10122112012111 its reverse (11121021122101), we get a palindrome (21243133134212).

The spelling of 10122112012111 in words is "ten trillion, one hundred twenty-two billion, one hundred twelve million, twelve thousand, one hundred eleven".