10122111121007 has 2 divisors, whose sum is σ = 10122111121008. Its totient is φ = 10122111121006.

The previous prime is 10122111120991. The next prime is 10122111121081. The reversal of 10122111121007 is 70012111122101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10122111121007 - 2⁴ = 10122111120991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10122111121007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122111121207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061055560503 + 5061055560504.

It is an arithmetic number, because the mean of its divisors is an integer number (5061055560504).

Almost surely, 2^{10122111121007} is an apocalyptic number.

10122111121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122111121007 is an equidigital number, since it uses as much as digits as its factorization.

10122111121007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 10122111121007 its reverse (70012111122101), we get a palindrome (80134222243108).

The spelling of 10122111121007 in words is "ten trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, seven".