200120111106 has 64 divisors (see below), whose sum is σ = 406859328000. Its totient is φ = 65614703616.

The previous prime is 200120111057. The next prime is 200120111117. The reversal of 200120111106 is 601111021002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56705550 + ... + 56709078.

It is an arithmetic number, because the mean of its divisors is an integer number (6357177000).

Almost surely, 2^200120111106 is an apocalyptic number.

200120111106 is an abundant number, since it is smaller than the sum of its proper divisors (206739216894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200120111106 is a wasteful number, since it uses less digits than its factorization.

200120111106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 200120111106 its reverse (601111021002), we get a palindrome (801231132108).

The spelling of 200120111106 in words is "two hundred billion, one hundred twenty million, one hundred eleven thousand, one hundred six".