1001121211133 has 8 divisors (see below), whose sum is σ = 1024642132800. Its totient is φ = 977611154688.

The previous prime is 1001121211091. The next prime is 1001121211141. The reversal of 1001121211133 is 3311121211001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001121211133 - 2²⁸ = 1000852775677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121211193) 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, 2529713 + ... + 2898566.

It is an arithmetic number, because the mean of its divisors is an integer number (128080266600).

Almost surely, 2^{1001121211133} is an apocalyptic number.

It is an amenable number.

1001121211133 is a deficient number, since it is larger than the sum of its proper divisors (23520921667).

1001121211133 is an equidigital number, since it uses as much as digits as its factorization.

1001121211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432611.

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

Adding to 1001121211133 its reverse (3311121211001), we get a palindrome (4312242422134).

The spelling of 1001121211133 in words is "one trillion, one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred thirty-three".