11220001202122 has 4 divisors (see below), whose sum is σ = 16830001803186. Its totient is φ = 5610000601060.

The previous prime is 11220001202107. The next prime is 11220001202141. The reversal of 11220001202122 is 22120210002211.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11165963085601 + 54038116521 = 3341551^2 + 232461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11220001202096 and 11220001202105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805000300529 + ... + 2805000300532.

Almost surely, 2^{11220001202122} is an apocalyptic number.

11220001202122 is a deficient number, since it is larger than the sum of its proper divisors (5610000601064).

11220001202122 is an equidigital number, since it uses as much as digits as its factorization.

11220001202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610000601063.

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

Adding to 11220001202122 its reverse (22120210002211), we get a palindrome (33340211204333).

The spelling of 11220001202122 in words is "eleven trillion, two hundred twenty billion, one million, two hundred two thousand, one hundred twenty-two".