1011320103211 has 4 divisors (see below), whose sum is σ = 1103258294424. Its totient is φ = 919381912000.

The previous prime is 1011320103197. The next prime is 1011320103217. The reversal of 1011320103211 is 1123010231101.

It is a happy number.

1011320103211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011320103211 - 2⁹ = 1011320102699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011320103217) 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, 45969095590 + ... + 45969095611.

It is an arithmetic number, because the mean of its divisors is an integer number (275814573606).

Almost surely, 2^{1011320103211} is an apocalyptic number.

1011320103211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011320103211 is a deficient number, since it is larger than the sum of its proper divisors (91938191213).

1011320103211 is an equidigital number, since it uses as much as digits as its factorization.

1011320103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91938191212.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011320103211 its reverse (1123010231101), we get a palindrome (2134330334312).

The spelling of 1011320103211 in words is "one trillion, eleven billion, three hundred twenty million, one hundred three thousand, two hundred eleven".