2121101232227 has 2 divisors, whose sum is σ = 2121101232228. Its totient is φ = 2121101232226.

The previous prime is 2121101232181. The next prime is 2121101232317. The reversal of 2121101232227 is 7222321011212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121101232227 - 2⁶ = 2121101232163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121101232196 and 2121101232205.

It is not a weakly prime, because it can be changed into another prime (2121101232527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060550616113 + 1060550616114.

It is an arithmetic number, because the mean of its divisors is an integer number (1060550616114).

Almost surely, 2^{2121101232227} is an apocalyptic number.

2121101232227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121101232227 is an equidigital number, since it uses as much as digits as its factorization.

2121101232227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 2121101232227 its reverse (7222321011212), we get a palindrome (9343422243439).

The spelling of 2121101232227 in words is "two trillion, one hundred twenty-one billion, one hundred one million, two hundred thirty-two thousand, two hundred twenty-seven".