11221102012111 has 8 divisors (see below), whose sum is σ = 11303180375184. Its totient is φ = 11139026149440.

The previous prime is 11221102012091. The next prime is 11221102012129. The reversal of 11221102012111 is 11121020112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221102012111 - 2⁹ = 11221102011599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221102012411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8913481 + ... + 10094173.

It is an arithmetic number, because the mean of its divisors is an integer number (1412897546898).

Almost surely, 2^{11221102012111} is an apocalyptic number.

11221102012111 is a deficient number, since it is larger than the sum of its proper divisors (82078363073).

11221102012111 is a wasteful number, since it uses less digits than its factorization.

11221102012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250201.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11221102012111 its reverse (11121020112211), we get a palindrome (22342122124322).

The spelling of 11221102012111 in words is "eleven trillion, two hundred twenty-one billion, one hundred two million, twelve thousand, one hundred eleven".