10231221111001 has 8 divisors (see below), whose sum is σ = 11190473985024. Its totient is φ = 9276825214320.

The previous prime is 10231221110993. The next prime is 10231221111011. The reversal of 10231221111001 is 10011112213201.

It is a happy number.

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 10231221111001 - 2³ = 10231221110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231221111011) 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 7 ways as a sum of consecutive naturals, for example, 1214239926 + ... + 1214248351.

It is an arithmetic number, because the mean of its divisors is an integer number (1398809248128).

Almost surely, 2^{10231221111001} is an apocalyptic number.

10231221111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10231221111001 is a deficient number, since it is larger than the sum of its proper divisors (959252874023).

10231221111001 is a wasteful number, since it uses less digits than its factorization.

10231221111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428488671.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10231221111001 its reverse (10011112213201), we get a palindrome (20242333324202).

The spelling of 10231221111001 in words is "ten trillion, two hundred thirty-one billion, two hundred twenty-one million, one hundred eleven thousand, one".