11211012021023 has 2 divisors, whose sum is σ = 11211012021024. Its totient is φ = 11211012021022.

The previous prime is 11211012020987. The next prime is 11211012021071. The reversal of 11211012021023 is 32012021011211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211012021023 - 2¹² = 11211012016927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211012020992 and 11211012021010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211012021823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605506010511 + 5605506010512.

It is an arithmetic number, because the mean of its divisors is an integer number (5605506010512).

Almost surely, 2^{11211012021023} is an apocalyptic number.

11211012021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211012021023 is an equidigital number, since it uses as much as digits as its factorization.

11211012021023 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 17.

Adding to 11211012021023 its reverse (32012021011211), we get a palindrome (43223033032234).

The spelling of 11211012021023 in words is "eleven trillion, two hundred eleven billion, twelve million, twenty-one thousand, twenty-three".