1021111101107 has 2 divisors, whose sum is σ = 1021111101108. Its totient is φ = 1021111101106.

The previous prime is 1021111101061. The next prime is 1021111101137. The reversal of 1021111101107 is 7011011111201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7011011111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021111101107 - 2¹² = 1021111097011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021111101137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510555550553 + 510555550554.

It is an arithmetic number, because the mean of its divisors is an integer number (510555550554).

Almost surely, 2^{1021111101107} is an apocalyptic number.

1021111101107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021111101107 is an equidigital number, since it uses as much as digits as its factorization.

1021111101107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 1021111101107 its reverse (7011011111201), we get a palindrome (8032122212308).

The spelling of 1021111101107 in words is "one trillion, twenty-one billion, one hundred eleven million, one hundred one thousand, one hundred seven".