200120111097 has 16 divisors (see below), whose sum is σ = 282870931392. Its totient is φ = 125410705920.

The previous prime is 200120111057. The next prime is 200120111117. The reversal of 200120111097 is 790111021002.

It is not a de Polignac number, because 200120111097 - 2⁶ = 200120111033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200120111017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2377828 + ... + 2460549.

It is an arithmetic number, because the mean of its divisors is an integer number (17679433212).

Almost surely, 2^200120111097 is an apocalyptic number.

It is an amenable number.

200120111097 is a deficient number, since it is larger than the sum of its proper divisors (82750820295).

200120111097 is a wasteful number, since it uses less digits than its factorization.

200120111097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839208.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 200120111097 its reverse (790111021002), we get a palindrome (990231132099).

The spelling of 200120111097 in words is "two hundred billion, one hundred twenty million, one hundred eleven thousand, ninety-seven".