11222012220157 has 2 divisors, whose sum is σ = 11222012220158. Its totient is φ = 11222012220156.

The previous prime is 11222012220073. The next prime is 11222012220179. The reversal of 11222012220157 is 75102221022211.

11222012220157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8682416200836 + 2539596019321 = 2946594^2 + 1593611^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222012220157 - 2¹⁵ = 11222012187389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222012220557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611006110078 + 5611006110079.

It is an arithmetic number, because the mean of its divisors is an integer number (5611006110079).

Almost surely, 2^{11222012220157} is an apocalyptic number.

It is an amenable number.

11222012220157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222012220157 is an equidigital number, since it uses as much as digits as its factorization.

11222012220157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 11222012220157 its reverse (75102221022211), we get a palindrome (86324233242368).

The spelling of 11222012220157 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twenty thousand, one hundred fifty-seven".