11112222221102 has 8 divisors (see below), whose sum is σ = 16668867136512. Its totient is φ = 5555933175600.

The previous prime is 11112222221053. The next prime is 11112222221117. The reversal of 11112222221102 is 20112222221111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88889399 + ... + 89014322.

It is an arithmetic number, because the mean of its divisors is an integer number (2083608392064).

Almost surely, 2^{11112222221102} is an apocalyptic number.

11112222221102 is a deficient number, since it is larger than the sum of its proper divisors (5556644915410).

11112222221102 is a wasteful number, since it uses less digits than its factorization.

11112222221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177934954.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11112222221102 its reverse (20112222221111), we get a palindrome (31224444442213).

Subtracting 11112222221102 from its reverse (20112222221111), we obtain a palindrome (9000000000009).

The spelling of 11112222221102 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred two".