11121210012011 has 8 divisors (see below), whose sum is σ = 12414373967424. Its totient is φ = 9875070200520.

The previous prime is 11121210011993. The next prime is 11121210012037. The reversal of 11121210012011 is 11021001212111.

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 11121210012011 - 2¹⁰ = 11121210010987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121210012061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11756035481 + ... + 11756036426.

It is an arithmetic number, because the mean of its divisors is an integer number (1551796745928).

Almost surely, 2^{11121210012011} is an apocalyptic number.

11121210012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11121210012011 is a deficient number, since it is larger than the sum of its proper divisors (1293163955413).

11121210012011 is a wasteful number, since it uses less digits than its factorization.

11121210012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23512071961.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11121210012011 its reverse (11021001212111), we get a palindrome (22142211224122).

The spelling of 11121210012011 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, twelve thousand, eleven".