11020120120231 has 2 divisors, whose sum is σ = 11020120120232. Its totient is φ = 11020120120230.

The previous prime is 11020120120201. The next prime is 11020120120241. The reversal of 11020120120231 is 13202102102011.

It is a strong prime.

It is an emirp because it is prime and its reverse (13202102102011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11020120120231 - 2⁷ = 11020120120103 is a prime.

It is a super-2 number, since 2×11020120120231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020120120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510060060115 + 5510060060116.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060060116).

Almost surely, 2^{11020120120231} is an apocalyptic number.

11020120120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020120120231 is an equidigital number, since it uses as much as digits as its factorization.

11020120120231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11020120120231 its reverse (13202102102011), we get a palindrome (24222222222242).

The spelling of 11020120120231 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred thirty-one".