1102002021012 has 12 divisors (see below), whose sum is σ = 2571338049056. Its totient is φ = 367334007000.

The previous prime is 1102002021007. The next prime is 1102002021019. The reversal of 1102002021012 is 2101202002011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 91833501751 = 1102002021012 / (1 + 1 + 0 + 2 + 0 + 0 + 2 + 0 + 2 + 1 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102002021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45916750864 + ... + 45916750887.

Almost surely, 2^{1102002021012} is an apocalyptic number.

1102002021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102002021012 is an abundant number, since it is smaller than the sum of its proper divisors (1469336028044).

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

1102002021012 is a wasteful number, since it uses less digits than its factorization.

1102002021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91833501758 (or 91833501756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1102002021012 its reverse (2101202002011), we get a palindrome (3203204023023).

The spelling of 1102002021012 in words is "one trillion, one hundred two billion, two million, twenty-one thousand, twelve".