11101102221111 has 16 divisors (see below), whose sum is σ = 16916600008704. Its totient is φ = 6343248963744.

The previous prime is 11101102221103. The next prime is 11101102221133. The reversal of 11101102221111 is 11112220110111.

It is not a de Polignac number, because 11101102221111 - 2³ = 11101102221103 is a prime.

It is a super-3 number, since 3×11101102221111³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101102221161) 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, 9343720 + ... + 10464573.

It is an arithmetic number, because the mean of its divisors is an integer number (1057287500544).

Almost surely, 2^{11101102221111} is an apocalyptic number.

11101102221111 is a deficient number, since it is larger than the sum of its proper divisors (5815497787593).

11101102221111 is a wasteful number, since it uses less digits than its factorization.

11101102221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19834990.

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

Adding to 11101102221111 its reverse (11112220110111), we get a palindrome (22213322331222).

The spelling of 11101102221111 in words is "eleven trillion, one hundred one billion, one hundred two million, two hundred twenty-one thousand, one hundred eleven".