111220102102 has 8 divisors (see below), whose sum is σ = 167546163096. Its totient is φ = 55371381072.

The previous prime is 111220102093. The next prime is 111220102117. The reversal of 111220102102 is 201201022111.

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

It is a super-2 number, since 2×111220102102² (a number of 23 digits) contains 22 as substring.

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, 119334408 + ... + 119335339.

It is an arithmetic number, because the mean of its divisors is an integer number (20943270387).

Almost surely, 2^111220102102 is an apocalyptic number.

111220102102 is a deficient number, since it is larger than the sum of its proper divisors (56326060994).

111220102102 is a wasteful number, since it uses less digits than its factorization.

111220102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238669982.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111220102102 its reverse (201201022111), we get a palindrome (312421124213).

The spelling of 111220102102 in words is "one hundred eleven billion, two hundred twenty million, one hundred two thousand, one hundred two".