100211009971 has 2 divisors, whose sum is σ = 100211009972. Its totient is φ = 100211009970.

The previous prime is 100211009933. The next prime is 100211010019. The reversal of 100211009971 is 179900112001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100211009971 is a prime.

It is a super-2 number, since 2×100211009971² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100211009911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105504985 + 50105504986.

It is an arithmetic number, because the mean of its divisors is an integer number (50105504986).

Almost surely, 2^100211009971 is an apocalyptic number.

100211009971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211009971 is an equidigital number, since it uses as much as digits as its factorization.

100211009971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 31.

The spelling of 100211009971 in words is "one hundred billion, two hundred eleven million, nine thousand, nine hundred seventy-one".