201200020023101 has 4 divisors (see below), whose sum is σ = 219490930934304. Its totient is φ = 182909109111900.

The previous prime is 201200020023089. The next prime is 201200020023113. The reversal of 201200020023101 is 101320020002102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (201200020023089) and next prime (201200020023113).

It is a cyclic number.

It is not a de Polignac number, because 201200020023101 - 2¹⁰ = 201200020022077 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 (201200020023001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9145455455585 + ... + 9145455455606.

It is an arithmetic number, because the mean of its divisors is an integer number (54872732733576).

Almost surely, 2^{201200020023101} is an apocalyptic number.

It is an amenable number.

201200020023101 is a deficient number, since it is larger than the sum of its proper divisors (18290910911203).

201200020023101 is a wasteful number, since it uses less digits than its factorization.

201200020023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290910911202.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201200020023101 its reverse (101320020002102), we get a palindrome (302520040025203).

The spelling of 201200020023101 in words is "two hundred one trillion, two hundred billion, twenty million, twenty-three thousand, one hundred one".