1112212112011 has 64 divisors (see below), whose sum is σ = 1581810564096. Its totient is φ = 752625561600.

The previous prime is 1112212111993. The next prime is 1112212112047. The reversal of 1112212112011 is 1102112122111.

It is not a de Polignac number, because 1112212112011 - 2²⁹ = 1111675241099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112212112911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46155076 + ... + 46179166.

It is an arithmetic number, because the mean of its divisors is an integer number (24715790064).

Almost surely, 2^{1112212112011} is an apocalyptic number.

1112212112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112212112011 is a deficient number, since it is larger than the sum of its proper divisors (469598452085).

1112212112011 is a wasteful number, since it uses less digits than its factorization.

1112212112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26852.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1112212112011 its reverse (1102112122111), we get a palindrome (2214324234122).

It can be divided in two parts, 111 and 2212112011, that added together give a palindrome (2212112122).

The spelling of 1112212112011 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred twelve thousand, eleven".