11120220212531 has 2 divisors, whose sum is σ = 11120220212532. Its totient is φ = 11120220212530.

The previous prime is 11120220212467. The next prime is 11120220212573. The reversal of 11120220212531 is 13521202202111.

It is a strong prime.

It is an emirp because it is prime and its reverse (13521202202111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11120220212531 - 2⁶ = 11120220212467 is a prime.

It is a super-2 number, since 2×11120220212531² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11120220212497 and 11120220212506.

It is not a weakly prime, because it can be changed into another prime (11120220214531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560110106265 + 5560110106266.

It is an arithmetic number, because the mean of its divisors is an integer number (5560110106266).

Almost surely, 2^{11120220212531} is an apocalyptic number.

11120220212531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120220212531 is an equidigital number, since it uses as much as digits as its factorization.

11120220212531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11120220212531 its reverse (13521202202111), we get a palindrome (24641422414642).

The spelling of 11120220212531 in words is "eleven trillion, one hundred twenty billion, two hundred twenty million, two hundred twelve thousand, five hundred thirty-one".