21112202330101 has 2 divisors, whose sum is σ = 21112202330102. Its totient is φ = 21112202330100.

The previous prime is 21112202330059. The next prime is 21112202330113. The reversal of 21112202330101 is 10103320221112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145231970001 + 8966970360100 = 3485001^2 + 2994490^2 .

It is a cyclic number.

It is not a de Polignac number, because 21112202330101 - 2⁷ = 21112202329973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112202330501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556101165050 + 10556101165051.

It is an arithmetic number, because the mean of its divisors is an integer number (10556101165051).

Almost surely, 2^{21112202330101} is an apocalyptic number.

It is an amenable number.

21112202330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112202330101 is an equidigital number, since it uses as much as digits as its factorization.

21112202330101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21112202330101 its reverse (10103320221112), we get a palindrome (31215522551213).

The spelling of 21112202330101 in words is "twenty-one trillion, one hundred twelve billion, two hundred two million, three hundred thirty thousand, one hundred one".