111402221241355 has 16 divisors (see below), whose sum is σ = 145837213417728. Its totient is φ = 81018920412000.

The previous prime is 111402221241341. The next prime is 111402221241413. The reversal of 111402221241355 is 553142122204111.

It is not a de Polignac number, because 111402221241355 - 2²³ = 111402212852747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111402221241355.

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, 5810781 + ... + 16017790.

It is an arithmetic number, because the mean of its divisors is an integer number (9114825838608).

Almost surely, 2^{111402221241355} is an apocalyptic number.

111402221241355 is a deficient number, since it is larger than the sum of its proper divisors (34434992176373).

111402221241355 is a wasteful number, since it uses less digits than its factorization.

111402221241355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921378.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 111402221241355 its reverse (553142122204111), we get a palindrome (664544343445466).

The spelling of 111402221241355 in words is "one hundred eleven trillion, four hundred two billion, two hundred twenty-one million, two hundred forty-one thousand, three hundred fifty-five".