200101200110021 has 24 divisors (see below), whose sum is σ = 234529517906496. Its totient is φ = 170220042336960.

The previous prime is 200101200110011. The next prime is 200101200110029. The reversal of 200101200110021 is 120011002101002.

It is not a de Polignac number, because 200101200110021 - 2³⁸ = 199826322203077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101200109984 and 200101200110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101200110029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22597400 + ... + 30180206.

It is an arithmetic number, because the mean of its divisors is an integer number (9772063246104).

Almost surely, 2^{200101200110021} is an apocalyptic number.

It is an amenable number.

200101200110021 is a deficient number, since it is larger than the sum of its proper divisors (34428317796475).

200101200110021 is a wasteful number, since it uses less digits than its factorization.

200101200110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586889 (or 7586882 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200101200110021 its reverse (120011002101002), we get a palindrome (320112202211023).

The spelling of 200101200110021 in words is "two hundred trillion, one hundred one billion, two hundred million, one hundred ten thousand, twenty-one".