10110100001221 has 8 divisors (see below), whose sum is σ = 11029499881344. Its totient is φ = 9190750101120.

The previous prime is 10110100001191. The next prime is 10110100001227. The reversal of 10110100001221 is 12210000101101.

10110100001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10110100001221 - 2⁹ = 10110100000709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110100001198 and 10110100001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110100001227) 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, 12071421 + ... + 12881746.

It is an arithmetic number, because the mean of its divisors is an integer number (1378687485168).

Almost surely, 2^{10110100001221} is an apocalyptic number.

10110100001221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10110100001221 is a deficient number, since it is larger than the sum of its proper divisors (919399880123).

10110100001221 is a wasteful number, since it uses less digits than its factorization.

10110100001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990011.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10110100001221 its reverse (12210000101101), we get a palindrome (22320100102322).

The spelling of 10110100001221 in words is "ten trillion, one hundred ten billion, one hundred million, one thousand, two hundred twenty-one".