10020112120111 has 2 divisors, whose sum is σ = 10020112120112. Its totient is φ = 10020112120110.

The previous prime is 10020112120103. The next prime is 10020112120121. The reversal of 10020112120111 is 11102121102001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11102121102001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10020112120111 - 2³ = 10020112120103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10020112120091 and 10020112120100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020112120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010056060055 + 5010056060056.

It is an arithmetic number, because the mean of its divisors is an integer number (5010056060056).

Almost surely, 2^{10020112120111} is an apocalyptic number.

10020112120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020112120111 is an equidigital number, since it uses as much as digits as its factorization.

10020112120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10020112120111 its reverse (11102121102001), we get a palindrome (21122233222112).

The spelling of 10020112120111 in words is "ten trillion, twenty billion, one hundred twelve million, one hundred twenty thousand, one hundred eleven".