200101201992 has 96 divisors (see below), whose sum is σ = 560757038400. Its totient is φ = 64385607552.

The previous prime is 200101201991. The next prime is 200101202011. The reversal of 200101201992 is 299102101002.

It is not an unprimeable number, because it can be changed into a prime (200101201991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12492853 + ... + 12508859.

It is an arithmetic number, because the mean of its divisors is an integer number (5841219150).

Almost surely, 2^200101201992 is an apocalyptic number.

It is an amenable number.

200101201992 is an abundant number, since it is smaller than the sum of its proper divisors (360655836408).

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

200101201992 is a wasteful number, since it uses less digits than its factorization.

200101201992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22035 (or 22028 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

Adding to 200101201992 its reverse (299102101002), we get a palindrome (499203302994).

The spelling of 200101201992 in words is "two hundred billion, one hundred one million, two hundred one thousand, nine hundred ninety-two".