1121002122105 has 32 divisors (see below), whose sum is σ = 1993457589120. Its totient is φ = 597698320320.

The previous prime is 1121002122073. The next prime is 1121002122193. The reversal of 1121002122105 is 5012212001211.

It is not a de Polignac number, because 1121002122105 - 2⁵ = 1121002122073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698211 + ... + 1652120.

It is an arithmetic number, because the mean of its divisors is an integer number (62295549660).

Almost surely, 2^{1121002122105} is an apocalyptic number.

1121002122105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121002122105 is a deficient number, since it is larger than the sum of its proper divisors (872455467015).

1121002122105 is a wasteful number, since it uses less digits than its factorization.

1121002122105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353878 (or 2353872 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 1121002122105 its reverse (5012212001211), we get a palindrome (6133214123316).

The spelling of 1121002122105 in words is "one trillion, one hundred twenty-one billion, two million, one hundred twenty-two thousand, one hundred five".