11222100221012 has 6 divisors (see below), whose sum is σ = 19638675386778. Its totient is φ = 5611050110504.

The previous prime is 11222100220993. The next prime is 11222100221099. The reversal of 11222100221012 is 21012200122211.

It can be written as a sum of positive squares in only one way, i.e., 9944915445136 + 1277184775876 = 3153556^2 + 1130126^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402762527623 + ... + 1402762527630.

It is an arithmetic number, because the mean of its divisors is an integer number (3273112564463).

Almost surely, 2^{11222100221012} is an apocalyptic number.

It is an amenable number.

11222100221012 is a deficient number, since it is larger than the sum of its proper divisors (8416575165766).

11222100221012 is a wasteful number, since it uses less digits than its factorization.

11222100221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805525055257 (or 2805525055255 counting only the distinct ones).

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

Adding to 11222100221012 its reverse (21012200122211), we get a palindrome (32234300343223).

The spelling of 11222100221012 in words is "eleven trillion, two hundred twenty-two billion, one hundred million, two hundred twenty-one thousand, twelve".