111221221111413 has 32 divisors (see below), whose sum is σ = 169639597301760. Its totient is φ = 63495145745280.

The previous prime is 111221221111391. The next prime is 111221221111433. The reversal of 111221221111413 is 314111122122111.

It is not a de Polignac number, because 111221221111413 - 2¹⁶ = 111221221045877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221221111433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95980233 + ... + 97132113.

It is an arithmetic number, because the mean of its divisors is an integer number (5301237415680).

Almost surely, 2^{111221221111413} is an apocalyptic number.

It is an amenable number.

111221221111413 is a deficient number, since it is larger than the sum of its proper divisors (58418376190347).

111221221111413 is a wasteful number, since it uses less digits than its factorization.

111221221111413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156217.

The product of its digits is 192, while the sum is 24.

Adding to 111221221111413 its reverse (314111122122111), we get a palindrome (425332343233524).

The spelling of 111221221111413 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred eleven thousand, four hundred thirteen".