212011221110023 has 2 divisors, whose sum is σ = 212011221110024. Its totient is φ = 212011221110022.

The previous prime is 212011221109997. The next prime is 212011221110131. The reversal of 212011221110023 is 320011122110212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212011221110023 - 2⁴¹ = 209812197854471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212011221113023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005610555011 + 106005610555012.

It is an arithmetic number, because the mean of its divisors is an integer number (106005610555012).

Almost surely, 2^{212011221110023} is an apocalyptic number.

212011221110023 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011221110023 is an equidigital number, since it uses as much as digits as its factorization.

212011221110023 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 19.

Adding to 212011221110023 its reverse (320011122110212), we get a palindrome (532022343220235).

The spelling of 212011221110023 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, twenty-three".