11222021012012 has 48 divisors (see below), whose sum is σ = 20783079055872. Its totient is φ = 5290934732160.

The previous prime is 11222021012011. The next prime is 11222021012023. The reversal of 11222021012012 is 21021012022211.

It is not an unprimeable number, because it can be changed into a prime (11222021012011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69962528 + ... + 70122744.

It is an arithmetic number, because the mean of its divisors is an integer number (432980813664).

Almost surely, 2^{11222021012012} is an apocalyptic number.

It is an amenable number.

11222021012012 is a deficient number, since it is larger than the sum of its proper divisors (9561058043860).

11222021012012 is a wasteful number, since it uses less digits than its factorization.

11222021012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171038 (or 171036 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11222021012012 its reverse (21021012022211), we get a palindrome (32243033034223).

The spelling of 11222021012012 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, twelve thousand, twelve".