10231020011 has 4 divisors (see below), whose sum is σ = 10675846992. Its totient is φ = 9786193032.

The previous prime is 10231019969. The next prime is 10231020029. The reversal of 10231020011 is 11002013201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11002013201 = 33967 ⋅323903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10231020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10231019974 and 10231020001.

It is not an unprimeable number, because it can be changed into a prime (10231020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222413456 + ... + 222413501.

It is an arithmetic number, because the mean of its divisors is an integer number (2668961748).

Almost surely, 2^10231020011 is an apocalyptic number.

10231020011 is a deficient number, since it is larger than the sum of its proper divisors (444826981).

10231020011 is an equidigital number, since it uses as much as digits as its factorization.

10231020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444826980.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10231020011 its reverse (11002013201), we get a palindrome (21233033212).

The spelling of 10231020011 in words is "ten billion, two hundred thirty-one million, twenty thousand, eleven".