1001211231133 has 8 divisors (see below), whose sum is σ = 1008459547776. Its totient is φ = 993976401600.

The previous prime is 1001211231121. The next prime is 1001211231179. The reversal of 1001211231133 is 3311321121001.

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-1001211231133 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 1001211231133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001211231533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3222748 + ... + 3519733.

It is an arithmetic number, because the mean of its divisors is an integer number (126057443472).

Almost surely, 2^{1001211231133} is an apocalyptic number.

It is an amenable number.

1001211231133 is a deficient number, since it is larger than the sum of its proper divisors (7248316643).

1001211231133 is an equidigital number, since it uses as much as digits as its factorization.

1001211231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743555.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1001211231133 its reverse (3311321121001), we get a palindrome (4312532352134).

The spelling of 1001211231133 in words is "one trillion, one billion, two hundred eleven million, two hundred thirty-one thousand, one hundred thirty-three".