1201100044402 has 8 divisors (see below), whose sum is σ = 1801659253212. Its totient is φ = 600546960000.

The previous prime is 1201100044369. The next prime is 1201100044451. The reversal of 1201100044402 is 2044400011021.

It can be written as a sum of positive squares in 2 ways, for example, as 780821416881 + 420278627521 = 883641^2 + 648289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1201100044402.

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 3 ways as a sum of consecutive naturals, for example, 1004599 + ... + 1847002.

Almost surely, 2^{1201100044402} is an apocalyptic number.

1201100044402 is a deficient number, since it is larger than the sum of its proper divisors (600559208810).

1201100044402 is a wasteful number, since it uses less digits than its factorization.

1201100044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062204.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1201100044402 its reverse (2044400011021), we get a palindrome (3245500055423).

The spelling of 1201100044402 in words is "one trillion, two hundred one billion, one hundred million, forty-four thousand, four hundred two".