111212213313401 has 4 divisors (see below), whose sum is σ = 111213407554704. Its totient is φ = 111211019072100.

The previous prime is 111212213313391. The next prime is 111212213313433. The reversal of 111212213313401 is 104313312212111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111212213313401 - 2³⁰ = 111211139571577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111212213313301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596980955 + ... + 597167216.

It is an arithmetic number, because the mean of its divisors is an integer number (27803351888676).

Almost surely, 2^{111212213313401} is an apocalyptic number.

It is an amenable number.

111212213313401 is a deficient number, since it is larger than the sum of its proper divisors (1194241303).

111212213313401 is an equidigital number, since it uses as much as digits as its factorization.

111212213313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194241302.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 111212213313401 its reverse (104313312212111), we get a palindrome (215525525525512).

The spelling of 111212213313401 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred thirteen million, three hundred thirteen thousand, four hundred one".