10020001202111 has 2 divisors, whose sum is σ = 10020001202112. Its totient is φ = 10020001202110.

The previous prime is 10020001202087. The next prime is 10020001202131. The reversal of 10020001202111 is 11120210002001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020001202111 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10020001202092 and 10020001202101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020001202131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010000601055 + 5010000601056.

It is an arithmetic number, because the mean of its divisors is an integer number (5010000601056).

Almost surely, 2^{10020001202111} is an apocalyptic number.

10020001202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020001202111 is an equidigital number, since it uses as much as digits as its factorization.

10020001202111 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 11.

Adding to 10020001202111 its reverse (11120210002001), we get a palindrome (21140211204112).

The spelling of 10020001202111 in words is "ten trillion, twenty billion, one million, two hundred two thousand, one hundred eleven".