22102220011012 has 6 divisors (see below), whose sum is σ = 38678885019278. Its totient is φ = 11051110005504.

The previous prime is 22102220010971. The next prime is 22102220011019. The reversal of 22102220011012 is 21011002220122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21782886521796 + 319333489216 = 4667214^2 + 565096^2 .

It is not an unprimeable number, because it can be changed into a prime (22102220011019) by changing a digit.

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, 2762777501373 + ... + 2762777501380.

Almost surely, 2^{22102220011012} is an apocalyptic number.

It is an amenable number.

22102220011012 is a deficient number, since it is larger than the sum of its proper divisors (16576665008266).

22102220011012 is a wasteful number, since it uses less digits than its factorization.

22102220011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525555002757 (or 5525555002755 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22102220011012 its reverse (21011002220122), we get a palindrome (43113222231134).

The spelling of 22102220011012 in words is "twenty-two trillion, one hundred two billion, two hundred twenty million, eleven thousand, twelve".