10211231042011 has 4 divisors (see below), whose sum is σ = 10211756952712. Its totient is φ = 10210705131312.

The previous prime is 10211231041997. The next prime is 10211231042053. The reversal of 10211231042011 is 11024013211201.

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 10211231042011 - 2⁹ = 10211231041499 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 10211231042011.

It is not an unprimeable number, because it can be changed into a prime (10211231042711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262926225 + ... + 262965058.

It is an arithmetic number, because the mean of its divisors is an integer number (2552939238178).

Almost surely, 2^{10211231042011} is an apocalyptic number.

10211231042011 is a deficient number, since it is larger than the sum of its proper divisors (525910701).

10211231042011 is an equidigital number, since it uses as much as digits as its factorization.

10211231042011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525910700.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10211231042011 its reverse (11024013211201), we get a palindrome (21235244253212).

The spelling of 10211231042011 in words is "ten trillion, two hundred eleven billion, two hundred thirty-one million, forty-two thousand, eleven".