241555612021 has 16 divisors (see below), whose sum is σ = 247227395184. Its totient is φ = 235927471104.

The previous prime is 241555612019. The next prime is 241555612031. The reversal of 241555612021 is 120216555142.

It can be written as a sum of positive squares in 8 ways, for example, as 20025363121 + 221530248900 = 141511^2 + 470670^2 .

It is a cyclic number.

It is not a de Polignac number, because 241555612021 - 2¹ = 241555612019 is a prime.

It is a super-2 number, since 2×241555612021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241555612031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11000365 + ... + 11022301.

It is an arithmetic number, because the mean of its divisors is an integer number (15451712199).

Almost surely, 2^241555612021 is an apocalyptic number.

It is an amenable number.

241555612021 is a deficient number, since it is larger than the sum of its proper divisors (5671783163).

241555612021 is a wasteful number, since it uses less digits than its factorization.

241555612021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22920.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 241555612021 in words is "two hundred forty-one billion, five hundred fifty-five million, six hundred twelve thousand, twenty-one".