1101031121323 has 4 divisors (see below), whose sum is σ = 1258321281520. Its totient is φ = 943740961128.

The previous prime is 1101031121287. The next prime is 1101031121341. The reversal of 1101031121323 is 3231211301011.

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

It is not a de Polignac number, because 1101031121323 - 2¹⁷ = 1101030990251 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 1101031121323.

It is not an unprimeable number, because it can be changed into a prime (1101031421323) 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, 78645080088 + ... + 78645080101.

It is an arithmetic number, because the mean of its divisors is an integer number (314580320380).

Almost surely, 2^{1101031121323} is an apocalyptic number.

1101031121323 is a deficient number, since it is larger than the sum of its proper divisors (157290160197).

1101031121323 is an equidigital number, since it uses as much as digits as its factorization.

1101031121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157290160196.

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

Adding to 1101031121323 its reverse (3231211301011), we get a palindrome (4332242422334).

The spelling of 1101031121323 in words is "one trillion, one hundred one billion, thirty-one million, one hundred twenty-one thousand, three hundred twenty-three".