221301113242 has 32 divisors (see below), whose sum is σ = 364143112704. Its totient is φ = 100033230000.

The previous prime is 221301113141. The next prime is 221301113251. The reversal of 221301113242 is 242311103122.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 3519483 + ... + 3581809.

It is an arithmetic number, because the mean of its divisors is an integer number (11379472272).

Almost surely, 2^221301113242 is an apocalyptic number.

221301113242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221301113242 is a deficient number, since it is larger than the sum of its proper divisors (142841999462).

221301113242 is a wasteful number, since it uses less digits than its factorization.

221301113242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63234.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221301113242 its reverse (242311103122), we get a palindrome (463612216364).

The spelling of 221301113242 in words is "two hundred twenty-one billion, three hundred one million, one hundred thirteen thousand, two hundred forty-two".