1112121200011 has 4 divisors (see below), whose sum is σ = 1113347354392. Its totient is φ = 1110895045632.

The previous prime is 1112121199957. The next prime is 1112121200017. The reversal of 1112121200011 is 1100021212111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1112121200011 - 2⁹ = 1112121199499 is a prime.

It is a super-3 number, since 3×1112121200011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112121199964 and 1112121200000.

It is not an unprimeable number, because it can be changed into a prime (1112121200017) 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, 613075830 + ... + 613077643.

It is an arithmetic number, because the mean of its divisors is an integer number (278336838598).

Almost surely, 2^{1112121200011} is an apocalyptic number.

1112121200011 is a deficient number, since it is larger than the sum of its proper divisors (1226154381).

1112121200011 is an equidigital number, since it uses as much as digits as its factorization.

1112121200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226154380.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112121200011 its reverse (1100021212111), we get a palindrome (2212142412122).

The spelling of 1112121200011 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, eleven".