1101213323311 has 4 divisors (see below), whose sum is σ = 1112116425624. Its totient is φ = 1090310221000.

The previous prime is 1101213323279. The next prime is 1101213323363. The reversal of 1101213323311 is 1133233121011.

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 1101213323311 - 2⁵ = 1101213323279 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101213327311) 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, 5451551005 + ... + 5451551206.

It is an arithmetic number, because the mean of its divisors is an integer number (278029106406).

Almost surely, 2^{1101213323311} is an apocalyptic number.

1101213323311 is a deficient number, since it is larger than the sum of its proper divisors (10903102313).

1101213323311 is a wasteful number, since it uses less digits than its factorization.

1101213323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903102312.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1101213323311 its reverse (1133233121011), we get a palindrome (2234446444322).

The spelling of 1101213323311 in words is "one trillion, one hundred one billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred eleven".