100020110111 has 2 divisors, whose sum is σ = 100020110112. Its totient is φ = 100020110110.

The previous prime is 100020110107. The next prime is 100020110131. The reversal of 100020110111 is 111011020001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100020110111 - 2² = 100020110107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100020110131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010055055 + 50010055056.

It is an arithmetic number, because the mean of its divisors is an integer number (50010055056).

Almost surely, 2^100020110111 is an apocalyptic number.

100020110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020110111 is an equidigital number, since it uses as much as digits as its factorization.

100020110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100020110111 its reverse (111011020001), we get a palindrome (211031130112).

The spelling of 100020110111 in words is "one hundred billion, twenty million, one hundred ten thousand, one hundred eleven".