10110122001221 has 8 divisors (see below), whose sum is σ = 11032710989664. Its totient is φ = 9188114177520.

The previous prime is 10110122001209. The next prime is 10110122001227. The reversal of 10110122001221 is 12210022101101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10110122001221 is a prime.

It is a super-3 number, since 3×10110122001221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110122001196 and 10110122001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110122001227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145254806 + ... + 145324391.

It is an arithmetic number, because the mean of its divisors is an integer number (1379088873708).

Almost surely, 2^{10110122001221} is an apocalyptic number.

10110122001221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10110122001221 is a deficient number, since it is larger than the sum of its proper divisors (922588988443).

10110122001221 is a wasteful number, since it uses less digits than its factorization.

10110122001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290582371.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10110122001221 its reverse (12210022101101), we get a palindrome (22320144102322).

The spelling of 10110122001221 in words is "ten trillion, one hundred ten billion, one hundred twenty-two million, one thousand, two hundred twenty-one".