11311021103011 has 8 divisors (see below), whose sum is σ = 12932403227744. Its totient is φ = 9691019470080.

The previous prime is 11311021103003. The next prime is 11311021103033. The reversal of 11311021103011 is 11030112011311.

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 11311021103011 - 2³ = 11311021103003 is a prime.

It is a super-2 number, since 2×11311021103011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11311021103411) 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, 345105390 + ... + 345138163.

It is an arithmetic number, because the mean of its divisors is an integer number (1616550403468).

Almost surely, 2^{11311021103011} is an apocalyptic number.

11311021103011 is a deficient number, since it is larger than the sum of its proper divisors (1621382124733).

11311021103011 is an equidigital number, since it uses as much as digits as its factorization.

11311021103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690245901.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 11311021103011 its reverse (11030112011311), we get a palindrome (22341133114322).

The spelling of 11311021103011 in words is "eleven trillion, three hundred eleven billion, twenty-one million, one hundred three thousand, eleven".