10123311011 has 32 divisors (see below), whose sum is σ = 12246225408. Its totient is φ = 8254794240.

The previous prime is 10123311001. The next prime is 10123311013. The reversal of 10123311011 is 11011332101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10123311011 is a prime.

It is a super-3 number, since 3×10123311011³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123311013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1213025 + ... + 1221341.

It is an arithmetic number, because the mean of its divisors is an integer number (382694544).

Almost surely, 2^10123311011 is an apocalyptic number.

10123311011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10123311011 is a deficient number, since it is larger than the sum of its proper divisors (2122914397).

10123311011 is a wasteful number, since it uses less digits than its factorization.

10123311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10123311011 its reverse (11011332101), we get a palindrome (21134643112).

The spelling of 10123311011 in words is "ten billion, one hundred twenty-three million, three hundred eleven thousand, eleven".