101012192111 has 2 divisors, whose sum is σ = 101012192112. Its totient is φ = 101012192110.

The previous prime is 101012192089. The next prime is 101012192147. The reversal of 101012192111 is 111291210101.

It is a weak prime.

It is an emirp because it is prime and its reverse (111291210101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101012192111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012192161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506096055 + 50506096056.

It is an arithmetic number, because the mean of its divisors is an integer number (50506096056).

Almost surely, 2^101012192111 is an apocalyptic number.

101012192111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012192111 is an equidigital number, since it uses as much as digits as its factorization.

101012192111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 101012192111 in words is "one hundred one billion, twelve million, one hundred ninety-two thousand, one hundred eleven".