2120212121227 has 2 divisors, whose sum is σ = 2120212121228. Its totient is φ = 2120212121226.

The previous prime is 2120212121191. The next prime is 2120212121257. The reversal of 2120212121227 is 7221212120212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120212121227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120212121257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060106060613 + 1060106060614.

It is an arithmetic number, because the mean of its divisors is an integer number (1060106060614).

Almost surely, 2^{2120212121227} is an apocalyptic number.

2120212121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120212121227 is an equidigital number, since it uses as much as digits as its factorization.

2120212121227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 2120212121227 its reverse (7221212120212), we get a palindrome (9341424241439).

The spelling of 2120212121227 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-seven".