200101121209973 has 8 divisors (see below), whose sum is σ = 200197176079800. Its totient is φ = 200005076634048.

The previous prime is 200101121209939. The next prime is 200101121210087. The reversal of 200101121209973 is 379902121101002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4132283971204 + 195968837238769 = 2032802^2 + 13998887^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 200101121209973 - 2¹⁰ = 200101121208949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101121209373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36455423 + ... + 41583651.

It is an arithmetic number, because the mean of its divisors is an integer number (25024647009975).

Almost surely, 2^{200101121209973} is an apocalyptic number.

It is an amenable number.

200101121209973 is a deficient number, since it is larger than the sum of its proper divisors (96054869827).

200101121209973 is a wasteful number, since it uses less digits than its factorization.

200101121209973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146951.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 200101121209973 in words is "two hundred trillion, one hundred one billion, one hundred twenty-one million, two hundred nine thousand, nine hundred seventy-three".