11121211002011 has 16 divisors (see below), whose sum is σ = 12340566017280. Its totient is φ = 9936653760480.

The previous prime is 11121211001987. The next prime is 11121211002023. The reversal of 11121211002011 is 11020011212111.

It is a cyclic number.

It is not a de Polignac number, because 11121211002011 - 2¹⁴ = 11121210985627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121211002061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087925 + ... + 4840041.

It is an arithmetic number, because the mean of its divisors is an integer number (771285376080).

Almost surely, 2^{11121211002011} is an apocalyptic number.

11121211002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11121211002011 is a deficient number, since it is larger than the sum of its proper divisors (1219355015269).

11121211002011 is a wasteful number, since it uses less digits than its factorization.

11121211002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756754.

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

Adding to 11121211002011 its reverse (11020011212111), we get a palindrome (22141222214122).

The spelling of 11121211002011 in words is "eleven trillion, one hundred twenty-one billion, two hundred eleven million, two thousand, eleven".