1201043042411 has 4 divisors (see below), whose sum is σ = 1201052999712. Its totient is φ = 1201033085112.

The previous prime is 1201043042401. The next prime is 1201043042413. The reversal of 1201043042411 is 1142403401021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201043042411 is a prime.

It is a super-2 number, since 2×1201043042411² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201043042413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4795475 + ... + 5039708.

It is an arithmetic number, because the mean of its divisors is an integer number (300263249928).

Almost surely, 2^{1201043042411} is an apocalyptic number.

1201043042411 is a deficient number, since it is larger than the sum of its proper divisors (9957301).

1201043042411 is an equidigital number, since it uses as much as digits as its factorization.

1201043042411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957300.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1201043042411 its reverse (1142403401021), we get a palindrome (2343446443432).

The spelling of 1201043042411 in words is "one trillion, two hundred one billion, forty-three million, forty-two thousand, four hundred eleven".