1031211301121 has 8 divisors (see below), whose sum is σ = 1038668836800. Its totient is φ = 1023754319280.

The previous prime is 1031211301097. The next prime is 1031211301129. The reversal of 1031211301121 is 1211031121301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031211301121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031211301121.

It is not an unprimeable number, because it can be changed into a prime (1031211301129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4056515 + ... + 4303223.

It is an arithmetic number, because the mean of its divisors is an integer number (129833604600).

Almost surely, 2^{1031211301121} is an apocalyptic number.

It is an amenable number.

1031211301121 is a deficient number, since it is larger than the sum of its proper divisors (7457535679).

1031211301121 is a wasteful number, since it uses less digits than its factorization.

1031211301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276919.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1031211301121 its reverse (1211031121301), we get a palindrome (2242242422422).

The spelling of 1031211301121 in words is "one trillion, thirty-one billion, two hundred eleven million, three hundred one thousand, one hundred twenty-one".