1121023213311 has 8 divisors (see below), whose sum is σ = 1495164286080. Its totient is φ = 747115474712.

The previous prime is 1121023213301. The next prime is 1121023213333. The reversal of 1121023213311 is 1133123201211.

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 1121023213311 - 2²⁵ = 1120989658879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121023213301) 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, 58322331 + ... + 58341548.

It is an arithmetic number, because the mean of its divisors is an integer number (186895535760).

Almost surely, 2^{1121023213311} is an apocalyptic number.

1121023213311 is a deficient number, since it is larger than the sum of its proper divisors (374141072769).

1121023213311 is a wasteful number, since it uses less digits than its factorization.

1121023213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116667085.

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

Adding to 1121023213311 its reverse (1133123201211), we get a palindrome (2254146414522).

The spelling of 1121023213311 in words is "one trillion, one hundred twenty-one billion, twenty-three million, two hundred thirteen thousand, three hundred eleven".