1121212202011 has 8 divisors (see below), whose sum is σ = 1235250888048. Its totient is φ = 1009191900000.

The previous prime is 1121212201981. The next prime is 1121212202059. The reversal of 1121212202011 is 1102022121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121212202011 - 2²⁵ = 1121178647579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121212202911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504594840 + ... + 504597061.

It is an arithmetic number, because the mean of its divisors is an integer number (154406361006).

Almost surely, 2^{1121212202011} is an apocalyptic number.

1121212202011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121212202011 is a deficient number, since it is larger than the sum of its proper divisors (114038686037).

1121212202011 is a wasteful number, since it uses less digits than its factorization.

1121212202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009192013.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121212202011 its reverse (1102022121211), we get a palindrome (2223234323222).

It can be divided in two parts, 112121 and 2202011, that added together give a palindrome (2314132).

The spelling of 1121212202011 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred two thousand, eleven".