1131321121302 has 16 divisors (see below), whose sum is σ = 2305333606320. Its totient is φ = 369991813152.

The previous prime is 1131321121291. The next prime is 1131321121313. The reversal of 1131321121302 is 2031211231311.

It is an interprime number because it is at equal distance from previous prime (1131321121291) and next prime (1131321121313).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1778806477 + ... + 1778807112.

It is an arithmetic number, because the mean of its divisors is an integer number (144083350395).

Almost surely, 2^{1131321121302} is an apocalyptic number.

1131321121302 is an abundant number, since it is smaller than the sum of its proper divisors (1174012485018).

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

1131321121302 is a wasteful number, since it uses less digits than its factorization.

1131321121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557613647.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131321121302 its reverse (2031211231311), we get a palindrome (3162532352613).

The spelling of 1131321121302 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred two".