11012211201111 has 16 divisors (see below), whose sum is σ = 14711495548416. Its totient is φ = 7327201398336.

The previous prime is 11012211201091. The next prime is 11012211201113. The reversal of 11012211201111 is 11110211221011.

It is not a de Polignac number, because 11012211201111 - 2²³ = 11012202812503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012211201113) 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, 58387186 + ... + 58575488.

It is an arithmetic number, because the mean of its divisors is an integer number (919468471776).

Almost surely, 2^{11012211201111} is an apocalyptic number.

11012211201111 is a deficient number, since it is larger than the sum of its proper divisors (3699284347305).

11012211201111 is a wasteful number, since it uses less digits than its factorization.

11012211201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226102.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11012211201111 its reverse (11110211221011), we get a palindrome (22122422422122).

The spelling of 11012211201111 in words is "eleven trillion, twelve billion, two hundred eleven million, two hundred one thousand, one hundred eleven".