1102020111012 has 12 divisors (see below), whose sum is σ = 2571380259056. Its totient is φ = 367340037000.

The previous prime is 1102020111011. The next prime is 1102020111047. The reversal of 1102020111012 is 2101110202011.

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: 91835009251 = 1102020111012 / (1 + 1 + 0 + 2 + 0 + 2 + 0 + 1 + 1 + 1 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (1102020111011) 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, 45917504614 + ... + 45917504637.

Almost surely, 2^{1102020111012} is an apocalyptic number.

1102020111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102020111012 is an abundant number, since it is smaller than the sum of its proper divisors (1469360148044).

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

1102020111012 is a wasteful number, since it uses less digits than its factorization.

1102020111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91835009258 (or 91835009256 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1102020111012 its reverse (2101110202011), we get a palindrome (3203130313023).

Subtracting 1102020111012 from its reverse (2101110202011), we obtain a palindrome (999090090999).

The spelling of 1102020111012 in words is "one trillion, one hundred two billion, twenty million, one hundred eleven thousand, twelve".