240221111013 has 72 divisors (see below), whose sum is σ = 414211394688. Its totient is φ = 133082915328.

The previous prime is 240221110993. The next prime is 240221111033. The reversal of 240221111013 is 310111122042.

It is an interprime number because it is at equal distance from previous prime (240221110993) and next prime (240221111033).

It is not a de Polignac number, because 240221111013 - 2¹⁷ = 240220979941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240221111033) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 623256 + ... + 932142.

Almost surely, 2^240221111013 is an apocalyptic number.

240221111013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

240221111013 is a deficient number, since it is larger than the sum of its proper divisors (173990283675).

240221111013 is a wasteful number, since it uses less digits than its factorization.

240221111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308963 (or 308943 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 240221111013 its reverse (310111122042), we get a palindrome (550332233055).

The spelling of 240221111013 in words is "two hundred forty billion, two hundred twenty-one million, one hundred eleven thousand, thirteen".