10100020211111 has 2 divisors, whose sum is σ = 10100020211112. Its totient is φ = 10100020211110.

The previous prime is 10100020211107. The next prime is 10100020211119. The reversal of 10100020211111 is 11111202000101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10100020211111 - 2² = 10100020211107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10100020211092 and 10100020211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10100020211119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050010105555 + 5050010105556.

It is an arithmetic number, because the mean of its divisors is an integer number (5050010105556).

Almost surely, 2^{10100020211111} is an apocalyptic number.

10100020211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100020211111 is an equidigital number, since it uses as much as digits as its factorization.

10100020211111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10100020211111 its reverse (11111202000101), we get a palindrome (21211222211212).

The spelling of 10100020211111 in words is "ten trillion, one hundred billion, twenty million, two hundred eleven thousand, one hundred eleven".