241221400021240 has 64 divisors (see below), whose sum is σ = 548607010160160. Its totient is φ = 95447940956160.

The previous prime is 241221400021237. The next prime is 241221400021319. The reversal of 241221400021240 is 42120004122142.

It is a super-2 number, since 2×241221400021240² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6863362 + ... + 23011921.

Almost surely, 2^{241221400021240} is an apocalyptic number.

241221400021240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241221400021240 is an abundant number, since it is smaller than the sum of its proper divisors (307385610138920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

241221400021240 is a wasteful number, since it uses less digits than its factorization.

241221400021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29877472 (or 29877468 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 241221400021240 its reverse (42120004122142), we get a palindrome (283341404143382).

The spelling of 241221400021240 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred million, twenty-one thousand, two hundred forty".