10122120111111 has 8 divisors (see below), whose sum is σ = 13570724569584. Its totient is φ = 6710797863360.

The previous prime is 10122120111029. The next prime is 10122120111137. The reversal of 10122120111111 is 11111102122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10122120111111 - 2³⁴ = 10104940241927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122120110111) 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 7 ways as a sum of consecutive naturals, for example, 9320552046 + ... + 9320553131.

It is an arithmetic number, because the mean of its divisors is an integer number (1696340571198).

Almost surely, 2^{10122120111111} is an apocalyptic number.

10122120111111 is a deficient number, since it is larger than the sum of its proper divisors (3448604458473).

10122120111111 is a wasteful number, since it uses less digits than its factorization.

10122120111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18641105361.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10122120111111 its reverse (11111102122101), we get a palindrome (21233222233212).

The spelling of 10122120111111 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred eleven".