1121111220102 has 16 divisors (see below), whose sum is σ = 2302823047152. Its totient is φ = 363603638880.

The previous prime is 1121111220071. The next prime is 1121111220137. The reversal of 1121111220102 is 2010221111211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525025049 + ... + 2525025492.

It is an arithmetic number, because the mean of its divisors is an integer number (143926440447).

Almost surely, 2^{1121111220102} is an apocalyptic number.

1121111220102 is an abundant number, since it is smaller than the sum of its proper divisors (1181711827050).

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

1121111220102 is a wasteful number, since it uses less digits than its factorization.

1121111220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050050583.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121111220102 its reverse (2010221111211), we get a palindrome (3131332331313).

The spelling of 1121111220102 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, one hundred two".