100211010199966 has 4 divisors (see below), whose sum is σ = 150316515299952. Its totient is φ = 50105505099982.

The previous prime is 100211010199913. The next prime is 100211010199987. The reversal of 100211010199966 is 669991010112001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052752549990 + ... + 25052752549993.

It is an arithmetic number, because the mean of its divisors is an integer number (37579128824988).

Almost surely, 2^{100211010199966} is an apocalyptic number.

100211010199966 is a deficient number, since it is larger than the sum of its proper divisors (50105505099986).

100211010199966 is an equidigital number, since it uses as much as digits as its factorization.

100211010199966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50105505099985.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 100211010199966 in words is "one hundred trillion, two hundred eleven billion, ten million, one hundred ninety-nine thousand, nine hundred sixty-six".