200101202001 has 24 divisors (see below), whose sum is σ = 295291885824. Its totient is φ = 130515100800.

The previous prime is 200101201991. The next prime is 200101202011. The reversal of 200101202001 is 100202101002.

It is an interprime number because it is at equal distance from previous prime (200101201991) and next prime (200101202011).

It is not a de Polignac number, because 200101202001 - 2¹⁹ = 200100677713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200101202011) 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, 1100380 + ... + 1269266.

It is an arithmetic number, because the mean of its divisors is an integer number (12303828576).

Almost surely, 2^200101202001 is an apocalyptic number.

It is an amenable number.

200101202001 is a deficient number, since it is larger than the sum of its proper divisors (95190683823).

200101202001 is a wasteful number, since it uses less digits than its factorization.

200101202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171741 (or 171738 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200101202001 its reverse (100202101002), we get a palindrome (300303303003).

The spelling of 200101202001 in words is "two hundred billion, one hundred one million, two hundred two thousand, one".