10221231232011 has 16 divisors (see below), whose sum is σ = 13670485171200. Its totient is φ = 6793070863488.

The previous prime is 10221231231997. The next prime is 10221231232019. The reversal of 10221231232011 is 11023213212201.

It is not a de Polignac number, because 10221231232011 - 2⁹ = 10221231231499 is a prime.

It is a super-2 number, since 2×10221231232011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221231232019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7367770 + ... + 8644448.

It is an arithmetic number, because the mean of its divisors is an integer number (854405323200).

Almost surely, 2^{10221231232011} is an apocalyptic number.

10221231232011 is a deficient number, since it is larger than the sum of its proper divisors (3449253939189).

10221231232011 is a wasteful number, since it uses less digits than its factorization.

10221231232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284938.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10221231232011 its reverse (11023213212201), we get a palindrome (21244444444212).

The spelling of 10221231232011 in words is "ten trillion, two hundred twenty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, eleven".