11102012011211 has 4 divisors (see below), whose sum is σ = 12111285830424. Its totient is φ = 10092738192000.

The previous prime is 11102012011193. The next prime is 11102012011247. The reversal of 11102012011211 is 11211021020111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11102012011211 - 2⁶ = 11102012011147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11102012017211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504636909590 + ... + 504636909611.

It is an arithmetic number, because the mean of its divisors is an integer number (3027821457606).

Almost surely, 2^{11102012011211} is an apocalyptic number.

11102012011211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11102012011211 is a deficient number, since it is larger than the sum of its proper divisors (1009273819213).

11102012011211 is a wasteful number, since it uses less digits than its factorization.

11102012011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009273819212.

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

Adding to 11102012011211 its reverse (11211021020111), we get a palindrome (22313033031322).

The spelling of 11102012011211 in words is "eleven trillion, one hundred two billion, twelve million, eleven thousand, two hundred eleven".