11022001021012 has 24 divisors (see below), whose sum is σ = 20424691100520. Its totient is φ = 5186424883200.

The previous prime is 11022001021001. The next prime is 11022001021013. The reversal of 11022001021012 is 21012010022011.

It can be written as a sum of positive squares in 4 ways, for example, as 717669899716 + 10304331121296 = 847154^2 + 3210036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11022001020983 and 11022001021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022001021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5345239 + ... + 7114462.

It is an arithmetic number, because the mean of its divisors is an integer number (851028795855).

Almost surely, 2^{11022001021012} is an apocalyptic number.

It is an amenable number.

11022001021012 is a deficient number, since it is larger than the sum of its proper divisors (9402690079508).

11022001021012 is a wasteful number, since it uses less digits than its factorization.

11022001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472731 (or 12472729 counting only the distinct ones).

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

Adding to 11022001021012 its reverse (21012010022011), we get a palindrome (32034011043023).

Subtracting 11022001021012 from its reverse (21012010022011), we obtain a palindrome (9990009000999).

It can be divided in two parts, 1102200 and 1021012, that added together give a palindrome (2123212).

The spelling of 11022001021012 in words is "eleven trillion, twenty-two billion, one million, twenty-one thousand, twelve".