1111122101207 has 2 divisors, whose sum is σ = 1111122101208. Its totient is φ = 1111122101206.

The previous prime is 1111122101203. The next prime is 1111122101227. The reversal of 1111122101207 is 7021012211111.

It is a happy number.

It is an a-pointer prime, because the next prime (1111122101227) can be obtained adding 1111122101207 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111122101207 - 2² = 1111122101203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111122101203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555561050603 + 555561050604.

It is an arithmetic number, because the mean of its divisors is an integer number (555561050604).

Almost surely, 2^{1111122101207} is an apocalyptic number.

1111122101207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111122101207 is an equidigital number, since it uses as much as digits as its factorization.

1111122101207 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 1111122101207 its reverse (7021012211111), we get a palindrome (8132134312318).

The spelling of 1111122101207 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred seven".