11020120222031 has 2 divisors, whose sum is σ = 11020120222032. Its totient is φ = 11020120222030.

The previous prime is 11020120221947. The next prime is 11020120222039. The reversal of 11020120222031 is 13022202102011.

11020120222031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020120222031 is a prime.

It is a super-2 number, since 2×11020120222031² (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 (11020120222039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510060111015 + 5510060111016.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060111016).

Almost surely, 2^{11020120222031} is an apocalyptic number.

11020120222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020120222031 is an equidigital number, since it uses as much as digits as its factorization.

11020120222031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11020120222031 its reverse (13022202102011), we get a palindrome (24042322324042).

The spelling of 11020120222031 in words is "eleven trillion, twenty billion, one hundred twenty million, two hundred twenty-two thousand, thirty-one".