1102021100012 has 12 divisors (see below), whose sum is σ = 2204042200080. Its totient is φ = 472294757136.

The previous prime is 1102021099981. The next prime is 1102021100017. The reversal of 1102021100012 is 2100011202011.

1102021100012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1102021099966 and 1102021100002.

It is not an unprimeable number, because it can be changed into a prime (1102021100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19678948187 + ... + 19678948242.

It is an arithmetic number, because the mean of its divisors is an integer number (183670183340).

Almost surely, 2^{1102021100012} is an apocalyptic number.

It is an amenable number.

1102021100012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1102021100012 is a wasteful number, since it uses less digits than its factorization.

1102021100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39357896440 (or 39357896438 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1102021100012 its reverse (2100011202011), we get a palindrome (3202032302023).

The spelling of 1102021100012 in words is "one trillion, one hundred two billion, twenty-one million, one hundred thousand, twelve".