11202122121049 has 2 divisors, whose sum is σ = 11202122121050. Its totient is φ = 11202122121048.

The previous prime is 11202122121023. The next prime is 11202122121103. The reversal of 11202122121049 is 94012122120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11183887669824 + 18234451225 = 3344232^2 + 135035^2 .

It is an emirp because it is prime and its reverse (94012122120211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11202122121049 - 2⁷ = 11202122120921 is a prime.

It is not a weakly prime, because it can be changed into another prime (11202122121149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601061060524 + 5601061060525.

It is an arithmetic number, because the mean of its divisors is an integer number (5601061060525).

Almost surely, 2^{11202122121049} is an apocalyptic number.

It is an amenable number.

11202122121049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202122121049 is an equidigital number, since it uses as much as digits as its factorization.

11202122121049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 11202122121049 in words is "eleven trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, forty-nine".