1100102021212 has 6 divisors (see below), whose sum is σ = 1925178537128. Its totient is φ = 550051010604.

The previous prime is 1100102021209. The next prime is 1100102021219. The reversal of 1100102021212 is 2121202010011.

It is a junction number, because it is equal to n+sod(n) for n = 1100102021192 and 1100102021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100102021219) 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 as a sum of consecutive naturals, namely, 137512752648 + ... + 137512752655.

Almost surely, 2^{1100102021212} is an apocalyptic number.

It is an amenable number.

1100102021212 is a deficient number, since it is larger than the sum of its proper divisors (825076515916).

1100102021212 is a wasteful number, since it uses less digits than its factorization.

1100102021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275025505307 (or 275025505305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100102021212 its reverse (2121202010011), we get a palindrome (3221304031223).

The spelling of 1100102021212 in words is "one trillion, one hundred billion, one hundred two million, twenty-one thousand, two hundred twelve".