11212113404122 has 4 divisors (see below), whose sum is σ = 16818170106186. Its totient is φ = 5606056702060.

The previous prime is 11212113404119. The next prime is 11212113404137. The reversal of 11212113404122 is 22140431121211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7956466959841 + 3255646444281 = 2820721^2 + 1804341^2 .

It is a super-2 number, since 2×11212113404122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803028351029 + ... + 2803028351032.

Almost surely, 2^{11212113404122} is an apocalyptic number.

11212113404122 is a deficient number, since it is larger than the sum of its proper divisors (5606056702064).

11212113404122 is an equidigital number, since it uses as much as digits as its factorization.

11212113404122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606056702063.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 11212113404122 its reverse (22140431121211), we get a palindrome (33352544525333).

The spelling of 11212113404122 in words is "eleven trillion, two hundred twelve billion, one hundred thirteen million, four hundred four thousand, one hundred twenty-two".