10110012001221 has 32 divisors (see below), whose sum is σ = 14713092398592. Its totient is φ = 6124105751360.

The previous prime is 10110012001157. The next prime is 10110012001223. The reversal of 10110012001221 is 12210021001101.

It is a cyclic number.

It is not a de Polignac number, because 10110012001221 - 2⁶ = 10110012001157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10110012001197 and 10110012001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110012001223) 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 31 ways as a sum of consecutive naturals, for example, 918835906 + ... + 918846908.

It is an arithmetic number, because the mean of its divisors is an integer number (459784137456).

Almost surely, 2^{10110012001221} is an apocalyptic number.

10110012001221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10110012001221 is a deficient number, since it is larger than the sum of its proper divisors (4603080397371).

10110012001221 is a wasteful number, since it uses less digits than its factorization.

10110012001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22913.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10110012001221 its reverse (12210021001101), we get a palindrome (22320033002322).

The spelling of 10110012001221 in words is "ten trillion, one hundred ten billion, twelve million, one thousand, two hundred twenty-one".