1200101311144 has 16 divisors (see below), whose sum is σ = 2257519572000. Its totient is φ = 598096091952.

The previous prime is 1200101311111. The next prime is 1200101311163. The reversal of 1200101311144 is 4411131010021.

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, 244317844 + ... + 244322755.

It is an arithmetic number, because the mean of its divisors is an integer number (141094973250).

Almost surely, 2^{1200101311144} is an apocalyptic number.

It is an amenable number.

1200101311144 is a deficient number, since it is larger than the sum of its proper divisors (1057418260856).

1200101311144 is a wasteful number, since it uses less digits than its factorization.

1200101311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488640912 (or 488640908 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1200101311144 its reverse (4411131010021), we get a palindrome (5611232321165).

The spelling of 1200101311144 in words is "one trillion, two hundred billion, one hundred one million, three hundred eleven thousand, one hundred forty-four".