201121700607 has 24 divisors (see below), whose sum is σ = 307691850960. Its totient is φ = 126155462400.

The previous prime is 201121700603. The next prime is 201121700617. The reversal of 201121700607 is 706007121102.

201121700607 is a `hidden beast` number, since 20 + 11 + 21 + 7 + 0 + 0 + 607 = 666.

It is not a de Polignac number, because 201121700607 - 2² = 201121700603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121700603) 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, 305944 + ... + 704162.

It is an arithmetic number, because the mean of its divisors is an integer number (12820493790).

Almost surely, 2^201121700607 is an apocalyptic number.

201121700607 is a deficient number, since it is larger than the sum of its proper divisors (106570150353).

201121700607 is a wasteful number, since it uses less digits than its factorization.

201121700607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401543 (or 401540 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 201121700607 its reverse (706007121102), we get a palindrome (907128821709).

The spelling of 201121700607 in words is "two hundred one billion, one hundred twenty-one million, seven hundred thousand, six hundred seven".