1131221043002 has 8 divisors (see below), whose sum is σ = 1696930091712. Its totient is φ = 565577679100.

The previous prime is 1131221042953. The next prime is 1131221043023. The reversal of 1131221043002 is 2003401221311.

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

It is a super-2 number, since 2×1131221043002² (a number of 25 digits) contains 22 as substring.

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, 16378124 + ... + 16447047.

It is an arithmetic number, because the mean of its divisors is an integer number (212116261464).

Almost surely, 2^{1131221043002} is an apocalyptic number.

1131221043002 is a deficient number, since it is larger than the sum of its proper divisors (565709048710).

1131221043002 is a wasteful number, since it uses less digits than its factorization.

1131221043002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32842404.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1131221043002 its reverse (2003401221311), we get a palindrome (3134622264313).

The spelling of 1131221043002 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-one million, forty-three thousand, two".