111121222101102 has 12 divisors (see below), whose sum is σ = 240762647885760. Its totient is φ = 37040407367028.

The previous prime is 111121222101091. The next prime is 111121222101137. The reversal of 111121222101102 is 201101222121111.

It is a happy number.

It is a super-2 number, since 2×111121222101102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6173401227839 = 111121222101102 / (1 + 1 + 1 + 1 + 2 + 1 + 2 + 2 + 2 + 1 + 0 + 1 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086700613902 + ... + 3086700613937.

It is an arithmetic number, because the mean of its divisors is an integer number (20063553990480).

Almost surely, 2^{111121222101102} is an apocalyptic number.

111121222101102 is an abundant number, since it is smaller than the sum of its proper divisors (129641425784658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111121222101102 is a wasteful number, since it uses less digits than its factorization.

111121222101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173401227847 (or 6173401227844 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111121222101102 its reverse (201101222121111), we get a palindrome (312222444222213).

The spelling of 111121222101102 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, one hundred two".