10122120011011 has 4 divisors (see below), whose sum is σ = 10164120509224. Its totient is φ = 10080119512800.

The previous prime is 10122120010969. The next prime is 10122120011051. The reversal of 10122120011011 is 11011002122101.

It is a happy number.

10122120011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10122120011011 - 2²⁹ = 10121583140099 is a prime.

It is a super-2 number, since 2×10122120011011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122120010982 and 10122120011000.

It is not an unprimeable number, because it can be changed into a prime (10122120011051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21000248745 + ... + 21000249226.

It is an arithmetic number, because the mean of its divisors is an integer number (2541030127306).

Almost surely, 2^{10122120011011} is an apocalyptic number.

10122120011011 is a deficient number, since it is larger than the sum of its proper divisors (42000498213).

10122120011011 is an equidigital number, since it uses as much as digits as its factorization.

10122120011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42000498212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10122120011011 its reverse (11011002122101), we get a palindrome (21133122133112).

The spelling of 10122120011011 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty million, eleven thousand, eleven".