11222002122101 has 4 divisors (see below), whose sum is σ = 11223384660972. Its totient is φ = 11220619583232.

The previous prime is 11222002122073. The next prime is 11222002122131. The reversal of 11222002122101 is 10122120022211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6303037042225 + 4918965079876 = 2510585^2 + 2217874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222002122101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222002122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222002122131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691257260 + ... + 691273493.

It is an arithmetic number, because the mean of its divisors is an integer number (2805846165243).

Almost surely, 2^{11222002122101} is an apocalyptic number.

It is an amenable number.

11222002122101 is a deficient number, since it is larger than the sum of its proper divisors (1382538871).

11222002122101 is an equidigital number, since it uses as much as digits as its factorization.

11222002122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382538870.

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

Adding to 11222002122101 its reverse (10122120022211), we get a palindrome (21344122144312).

The spelling of 11222002122101 in words is "eleven trillion, two hundred twenty-two billion, two million, one hundred twenty-two thousand, one hundred one".