11221010112111 has 16 divisors (see below), whose sum is σ = 15155087558016. Its totient is φ = 7383963555936.

The previous prime is 11221010112107. The next prime is 11221010112113. The reversal of 11221010112111 is 11121101012211.

11221010112111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11221010112111 - 2² = 11221010112107 is a prime.

It is a super-2 number, since 2×11221010112111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221010112113) 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, 19784620 + ... + 20343873.

It is an arithmetic number, because the mean of its divisors is an integer number (947192972376).

Almost surely, 2^{11221010112111} is an apocalyptic number.

11221010112111 is a deficient number, since it is larger than the sum of its proper divisors (3934077445905).

11221010112111 is a wasteful number, since it uses less digits than its factorization.

11221010112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40129702.

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

Adding to 11221010112111 its reverse (11121101012211), we get a palindrome (22342111124322).

The spelling of 11221010112111 in words is "eleven trillion, two hundred twenty-one billion, ten million, one hundred twelve thousand, one hundred eleven".