20210102111107 has 2 divisors, whose sum is σ = 20210102111108. Its totient is φ = 20210102111106.

The previous prime is 20210102111063. The next prime is 20210102111131. The reversal of 20210102111107 is 70111120101202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210102111107 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210102111207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105051055553 + 10105051055554.

It is an arithmetic number, because the mean of its divisors is an integer number (10105051055554).

Almost surely, 2^{20210102111107} is an apocalyptic number.

20210102111107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210102111107 is an equidigital number, since it uses as much as digits as its factorization.

20210102111107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 20210102111107 its reverse (70111120101202), we get a palindrome (90321222212309).

The spelling of 20210102111107 in words is "twenty trillion, two hundred ten billion, one hundred two million, one hundred eleven thousand, one hundred seven".