1102100021012 has 24 divisors (see below), whose sum is σ = 1954281516096. Its totient is φ = 543771684288.

The previous prime is 1102100020993. The next prime is 1102100021023. The reversal of 1102100021012 is 2101200012011.

It is a junction number, because it is equal to n+sod(n) for n = 1102100020984 and 1102100021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4609553 + ... + 4842744.

It is an arithmetic number, because the mean of its divisors is an integer number (81428396504).

Almost surely, 2^{1102100021012} is an apocalyptic number.

It is an amenable number.

1102100021012 is a deficient number, since it is larger than the sum of its proper divisors (852181495084).

1102100021012 is a wasteful number, since it uses less digits than its factorization.

1102100021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452687 (or 9452685 counting only the distinct ones).

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

Adding to 1102100021012 its reverse (2101200012011), we get a palindrome (3203300033023).

Subtracting 1102100021012 from its reverse (2101200012011), we obtain a palindrome (999099990999).

The spelling of 1102100021012 in words is "one trillion, one hundred two billion, one hundred million, twenty-one thousand, twelve".