1011211032323 has 4 divisors (see below), whose sum is σ = 1011218837640. Its totient is φ = 1011203227008.

The previous prime is 1011211032313. The next prime is 1011211032331. The reversal of 1011211032323 is 3232301121101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011211032323 - 2¹⁴ = 1011211015939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011211032295 and 1011211032304.

It is not an unprimeable number, because it can be changed into a prime (1011211032313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3704990 + ... + 3968547.

It is an arithmetic number, because the mean of its divisors is an integer number (252804709410).

Almost surely, 2^{1011211032323} is an apocalyptic number.

1011211032323 is a deficient number, since it is larger than the sum of its proper divisors (7805317).

1011211032323 is an equidigital number, since it uses as much as digits as its factorization.

1011211032323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805316.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011211032323 its reverse (3232301121101), we get a palindrome (4243512153424).

The spelling of 1011211032323 in words is "one trillion, eleven billion, two hundred eleven million, thirty-two thousand, three hundred twenty-three".