11111222210029 has 2 divisors, whose sum is σ = 11111222210030. Its totient is φ = 11111222210028.

The previous prime is 11111222210027. The next prime is 11111222210129. The reversal of 11111222210029 is 92001222211111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11038992960004 + 72229250025 = 3322498^2 + 268755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111222210029 - 2¹ = 11111222210027 is a prime.

Together with 11111222210027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11111222209985 and 11111222210012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111222210027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555611105014 + 5555611105015.

It is an arithmetic number, because the mean of its divisors is an integer number (5555611105015).

Almost surely, 2^{11111222210029} is an apocalyptic number.

It is an amenable number.

11111222210029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111222210029 is an equidigital number, since it uses as much as digits as its factorization.

11111222210029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 11111222210029 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, twenty-nine".