101111021999966 has 8 divisors (see below), whose sum is σ = 165454399636344. Its totient is φ = 45959555454520.

The previous prime is 101111021999927. The next prime is 101111021999983. The reversal of 101111021999966 is 669999120111101.

101111021999966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297977772705 + ... + 2297977772748.

It is an arithmetic number, because the mean of its divisors is an integer number (20681799954543).

Almost surely, 2^{101111021999966} is an apocalyptic number.

101111021999966 is a deficient number, since it is larger than the sum of its proper divisors (64343377636378).

101111021999966 is a wasteful number, since it uses less digits than its factorization.

101111021999966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595955545466.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 101111021999966 in words is "one hundred one trillion, one hundred eleven billion, twenty-one million, nine hundred ninety-nine thousand, nine hundred sixty-six".