200101220001 has 48 divisors (see below), whose sum is σ = 312074577360. Its totient is φ = 123288023040.

The previous prime is 200101219993. The next prime is 200101220029. The reversal of 200101220001 is 100022101002.

It can be written as a sum of positive squares in 8 ways, for example, as 2978539776 + 197122680225 = 54576^2 + 443985^2 .

It is not a de Polignac number, because 200101220001 - 2³ = 200101219993 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 (200101220101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390745 + ... + 743561.

It is an arithmetic number, because the mean of its divisors is an integer number (6501553695).

Almost surely, 2^200101220001 is an apocalyptic number.

It is an amenable number.

200101220001 is a deficient number, since it is larger than the sum of its proper divisors (111973357359).

200101220001 is a wasteful number, since it uses less digits than its factorization.

200101220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352946 (or 352943 counting only the distinct ones).

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

Adding to 200101220001 its reverse (100022101002), we get a palindrome (300123321003).

The spelling of 200101220001 in words is "two hundred billion, one hundred one million, two hundred twenty thousand, one".