11101010021212 has 12 divisors (see below), whose sum is σ = 19428772638240. Its totient is φ = 5549932124576.

The previous prime is 11101010021173. The next prime is 11101010021239. The reversal of 11101010021212 is 21212001010111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11101010021192 and 11101010021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143177908 + ... + 143255419.

It is an arithmetic number, because the mean of its divisors is an integer number (1619064386520).

Almost surely, 2^{11101010021212} is an apocalyptic number.

It is an amenable number.

11101010021212 is a deficient number, since it is larger than the sum of its proper divisors (8327762617028).

11101010021212 is a wasteful number, since it uses less digits than its factorization.

11101010021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286443020 (or 286443018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101010021212 its reverse (21212001010111), we get a palindrome (32313011031323).

The spelling of 11101010021212 in words is "eleven trillion, one hundred one billion, ten million, twenty-one thousand, two hundred twelve".