121122000211021 has 2 divisors, whose sum is σ = 121122000211022. Its totient is φ = 121122000211020.

The previous prime is 121122000211001. The next prime is 121122000211097. The reversal of 121122000211021 is 120112000221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103449342710025 + 17672657500996 = 10171005^2 + 4203886^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122000211021 - 2¹¹ = 121122000208973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121122000210986 and 121122000211004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122000211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561000105510 + 60561000105511.

It is an arithmetic number, because the mean of its divisors is an integer number (60561000105511).

Almost surely, 2^{121122000211021} is an apocalyptic number.

It is an amenable number.

121122000211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122000211021 is an equidigital number, since it uses as much as digits as its factorization.

121122000211021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121122000211021 its reverse (120112000221121), we get a palindrome (241234000432142).

The spelling of 121122000211021 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred eleven thousand, twenty-one".