11222021221153 has 2 divisors, whose sum is σ = 11222021221154. Its totient is φ = 11222021221152.

The previous prime is 11222021221129. The next prime is 11222021221259. The reversal of 11222021221153 is 35112212022211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8294267520529 + 2927753700624 = 2879977^2 + 1711068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222021221153 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222021281153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611010610576 + 5611010610577.

It is an arithmetic number, because the mean of its divisors is an integer number (5611010610577).

Almost surely, 2^{11222021221153} is an apocalyptic number.

It is an amenable number.

11222021221153 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222021221153 is an equidigital number, since it uses as much as digits as its factorization.

11222021221153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 11222021221153 its reverse (35112212022211), we get a palindrome (46334233243364).

The spelling of 11222021221153 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, one hundred fifty-three".