101220111107 has 2 divisors, whose sum is σ = 101220111108. Its totient is φ = 101220111106.

The previous prime is 101220111089. The next prime is 101220111173. The reversal of 101220111107 is 701111022101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101220111107 - 2⁸ = 101220110851 is a prime.

It is a super-4 number, since 4×101220111107⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (101220011107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610055553 + 50610055554.

It is an arithmetic number, because the mean of its divisors is an integer number (50610055554).

Almost surely, 2^101220111107 is an apocalyptic number.

101220111107 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220111107 is an equidigital number, since it uses as much as digits as its factorization.

101220111107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 101220111107 its reverse (701111022101), we get a palindrome (802331133208).

The spelling of 101220111107 in words is "one hundred one billion, two hundred twenty million, one hundred eleven thousand, one hundred seven".