11220010021511 has 2 divisors, whose sum is σ = 11220010021512. Its totient is φ = 11220010021510.

The previous prime is 11220010021489. The next prime is 11220010021523. The reversal of 11220010021511 is 11512001002211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11220010021511 - 2¹⁸ = 11220009759367 is a prime.

It is a super-3 number, since 3×11220010021511³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11220010021511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220010021711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610005010755 + 5610005010756.

It is an arithmetic number, because the mean of its divisors is an integer number (5610005010756).

Almost surely, 2^{11220010021511} is an apocalyptic number.

11220010021511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220010021511 is an equidigital number, since it uses as much as digits as its factorization.

11220010021511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11220010021511 its reverse (11512001002211), we get a palindrome (22732011023722).

The spelling of 11220010021511 in words is "eleven trillion, two hundred twenty billion, ten million, twenty-one thousand, five hundred eleven".