22101101020213 has 2 divisors, whose sum is σ = 22101101020214. Its totient is φ = 22101101020212.

The previous prime is 22101101020189. The next prime is 22101101020331. The reversal of 22101101020213 is 31202010110122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21008444749009 + 1092656271204 = 4583497^2 + 1045302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101101020213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101101020013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050550510106 + 11050550510107.

It is an arithmetic number, because the mean of its divisors is an integer number (11050550510107).

Almost surely, 2^{22101101020213} is an apocalyptic number.

It is an amenable number.

22101101020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101101020213 is an equidigital number, since it uses as much as digits as its factorization.

22101101020213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22101101020213 its reverse (31202010110122), we get a palindrome (53303111130335).

It can be divided in two parts, 2210110 and 1020213, that added together give a palindrome (3230323).

The spelling of 22101101020213 in words is "twenty-two trillion, one hundred one billion, one hundred one million, twenty thousand, two hundred thirteen".