11121202022111 has 2 divisors, whose sum is σ = 11121202022112. Its totient is φ = 11121202022110.

The previous prime is 11121202022107. The next prime is 11121202022153. The reversal of 11121202022111 is 11122020212111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11121202022111 - 2² = 11121202022107 is a prime.

It is a super-2 number, since 2×11121202022111² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11121202022111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121202022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560601011055 + 5560601011056.

It is an arithmetic number, because the mean of its divisors is an integer number (5560601011056).

Almost surely, 2^{11121202022111} is an apocalyptic number.

11121202022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121202022111 is an equidigital number, since it uses as much as digits as its factorization.

11121202022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121202022111 its reverse (11122020212111), we get a palindrome (22243222234222).

The spelling of 11121202022111 in words is "eleven trillion, one hundred twenty-one billion, two hundred two million, twenty-two thousand, one hundred eleven".