10111200221971 has 2 divisors, whose sum is σ = 10111200221972. Its totient is φ = 10111200221970.

The previous prime is 10111200221957. The next prime is 10111200222031. The reversal of 10111200221971 is 17912200211101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10111200221971 - 2³³ = 10102610287379 is a prime.

It is a super-2 number, since 2×10111200221971² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10111200221911) 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, 5055600110985 + 5055600110986.

It is an arithmetic number, because the mean of its divisors is an integer number (5055600110986).

Almost surely, 2^{10111200221971} is an apocalyptic number.

10111200221971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111200221971 is an equidigital number, since it uses as much as digits as its factorization.

10111200221971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 10111200221971 in words is "ten trillion, one hundred eleven billion, two hundred million, two hundred twenty-one thousand, nine hundred seventy-one".