1112021121211 has 64 divisors (see below), whose sum is σ = 1544628621312. Its totient is φ = 772617600000.

The previous prime is 1112021121157. The next prime is 1112021121229. The reversal of 1112021121211 is 1121211202111.

It is a cyclic number.

It is not a de Polignac number, because 1112021121211 - 2¹⁵ = 1112021088443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112021121271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4011006 + ... + 4279276.

It is an arithmetic number, because the mean of its divisors is an integer number (24134822208).

Almost surely, 2^{1112021121211} is an apocalyptic number.

1112021121211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112021121211 is a deficient number, since it is larger than the sum of its proper divisors (432607500101).

1112021121211 is a wasteful number, since it uses less digits than its factorization.

1112021121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268444.

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

Adding to 1112021121211 its reverse (1121211202111), we get a palindrome (2233232323322).

The spelling of 1112021121211 in words is "one trillion, one hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred eleven".