101040241221 has 12 divisors (see below), whose sum is σ = 150979671180. Its totient is φ = 65037396480.

The previous prime is 101040241177. The next prime is 101040241229. The reversal of 101040241221 is 122142040101.

101040241221 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 402 + 41 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21465473121 + 79574768100 = 146511^2 + 282090^2 .

It is not a de Polignac number, because 101040241221 - 2⁶ = 101040241157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101040241194 and 101040241203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101040241229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193563420 + ... + 193563941.

It is an arithmetic number, because the mean of its divisors is an integer number (12581639265).

Almost surely, 2^101040241221 is an apocalyptic number.

It is an amenable number.

101040241221 is a deficient number, since it is larger than the sum of its proper divisors (49939429959).

101040241221 is a wasteful number, since it uses less digits than its factorization.

101040241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387127396 (or 387127393 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101040241221 its reverse (122142040101), we get a palindrome (223182281322).

The spelling of 101040241221 in words is "one hundred one billion, forty million, two hundred forty-one thousand, two hundred twenty-one".