1202112201100 has 36 divisors (see below), whose sum is σ = 2669248217944. Its totient is φ = 469662439680.

The previous prime is 1202112201097. The next prime is 1202112201131. The reversal of 1202112201100 is 11022112021.

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 11 ways as a sum of consecutive naturals, for example, 139776189 + ... + 139784788.

Almost surely, 2^{1202112201100} is an apocalyptic number.

1202112201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202112201100 is an abundant number, since it is smaller than the sum of its proper divisors (1467136016844).

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

1202112201100 is a wasteful number, since it uses less digits than its factorization.

1202112201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279561034 (or 279561027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202112201100 its reverse (11022112021), we get a palindrome (1213134313121).

The spelling of 1202112201100 in words is "one trillion, two hundred two billion, one hundred twelve million, two hundred one thousand, one hundred".