2120211221027 has 2 divisors, whose sum is σ = 2120211221028. Its totient is φ = 2120211221026.

The previous prime is 2120211220993. The next prime is 2120211221039. The reversal of 2120211221027 is 7201221120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120211221027 - 2²² = 2120207026723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120211220993 and 2120211221011.

It is not a weakly prime, because it can be changed into another prime (2120211221627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105610513 + 1060105610514.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105610514).

Almost surely, 2^{2120211221027} is an apocalyptic number.

2120211221027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120211221027 is an equidigital number, since it uses as much as digits as its factorization.

2120211221027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2120211221027 its reverse (7201221120212), we get a palindrome (9321432341239).

The spelling of 2120211221027 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, twenty-seven".