200101221225 has 72 divisors (see below), whose sum is σ = 361075104000. Its totient is φ = 105927782400.

The previous prime is 200101221223. The next prime is 200101221227. The reversal of 200101221225 is 522122101002.

It is an interprime number because it is at equal distance from previous prime (200101221223) and next prime (200101221227).

It is not a de Polignac number, because 200101221225 - 2¹ = 200101221223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200101221198 and 200101221207.

It is not an unprimeable number, because it can be changed into a prime (200101221223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19292841 + ... + 19303209.

It is an arithmetic number, because the mean of its divisors is an integer number (5014932000).

Almost surely, 2^200101221225 is an apocalyptic number.

200101221225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200101221225 is a deficient number, since it is larger than the sum of its proper divisors (160973882775).

200101221225 is a wasteful number, since it uses less digits than its factorization.

200101221225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11015 (or 11007 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 200101221225 its reverse (522122101002), we get a palindrome (722223322227).

The spelling of 200101221225 in words is "two hundred billion, one hundred one million, two hundred twenty-one thousand, two hundred twenty-five".