1241322221021 has 12 divisors (see below), whose sum is σ = 1282793148000. Its totient is φ = 1201151659320.

The previous prime is 1241322221017. The next prime is 1241322221039. The reversal of 1241322221021 is 1201222231421.

It is not a de Polignac number, because 1241322221021 - 2² = 1241322221017 is a prime.

It is a super-3 number, since 3×1241322221021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241322221011) 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 11 ways as a sum of consecutive naturals, for example, 9679880 + ... + 9807278.

It is an arithmetic number, because the mean of its divisors is an integer number (106899429000).

Almost surely, 2^{1241322221021} is an apocalyptic number.

It is an amenable number.

1241322221021 is a deficient number, since it is larger than the sum of its proper divisors (41470926979).

1241322221021 is a wasteful number, since it uses less digits than its factorization.

1241322221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137600 (or 137569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1241322221021 its reverse (1201222231421), we get a palindrome (2442544452442).

The spelling of 1241322221021 in words is "one trillion, two hundred forty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, twenty-one".