200120101192 has 16 divisors (see below), whose sum is σ = 409336570800. Its totient is φ = 90963682320.

The previous prime is 200120101121. The next prime is 200120101273. The reversal of 200120101192 is 291101021002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137045942 + ... + 1137046117.

It is an arithmetic number, because the mean of its divisors is an integer number (25583535675).

Almost surely, 2^200120101192 is an apocalyptic number.

200120101192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200120101192 is an abundant number, since it is smaller than the sum of its proper divisors (209216469608).

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

200120101192 is a wasteful number, since it uses less digits than its factorization.

200120101192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274092076 (or 2274092072 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 200120101192 its reverse (291101021002), we get a palindrome (491221122194).

The spelling of 200120101192 in words is "two hundred billion, one hundred twenty million, one hundred one thousand, one hundred ninety-two".