1102021122018 has 32 divisors (see below), whose sum is σ = 2263591033920. Its totient is φ = 357538865600.

The previous prime is 1102021121989. The next prime is 1102021122019. The reversal of 1102021122018 is 8102211202011.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1102021121985 and 1102021122003.

It is not an unprimeable number, because it can be changed into a prime (1102021122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15375405 + ... + 15446912.

It is an arithmetic number, because the mean of its divisors is an integer number (70737219810).

Almost surely, 2^{1102021122018} is an apocalyptic number.

1102021122018 is an abundant number, since it is smaller than the sum of its proper divisors (1161569911902).

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

1102021122018 is a wasteful number, since it uses less digits than its factorization.

1102021122018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30822482.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1102021122018 its reverse (8102211202011), we get a palindrome (9204232324029).

The spelling of 1102021122018 in words is "one trillion, one hundred two billion, twenty-one million, one hundred twenty-two thousand, eighteen".