100202111992 has 32 divisors (see below), whose sum is σ = 200552803200. Its totient is φ = 46795644000.

The previous prime is 100202111987. The next prime is 100202112071. The reversal of 100202111992 is 299111202001.

It is a self number, because there is not a number n which added to its sum of digits gives 100202111992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4631634 + ... + 4653217.

It is an arithmetic number, because the mean of its divisors is an integer number (6267275100).

Almost surely, 2^100202111992 is an apocalyptic number.

It is an amenable number.

100202111992 is an abundant number, since it is smaller than the sum of its proper divisors (100350691208).

100202111992 is a wasteful number, since it uses less digits than its factorization.

100202111992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284947 (or 9284943 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

Adding to 100202111992 its reverse (299111202001), we get a palindrome (399313313993).

The spelling of 100202111992 in words is "one hundred billion, two hundred two million, one hundred eleven thousand, nine hundred ninety-two".