220211211021127 has 2 divisors, whose sum is σ = 220211211021128. Its totient is φ = 220211211021126.

The previous prime is 220211211021091. The next prime is 220211211021157. The reversal of 220211211021127 is 721120112112022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220211211021127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220211211021157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105605510563 + 110105605510564.

It is an arithmetic number, because the mean of its divisors is an integer number (110105605510564).

Almost surely, 2^{220211211021127} is an apocalyptic number.

220211211021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

220211211021127 is an equidigital number, since it uses as much as digits as its factorization.

220211211021127 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 25.

Adding to 220211211021127 its reverse (721120112112022), we get a palindrome (941331323133149).

The spelling of 220211211021127 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred eleven million, twenty-one thousand, one hundred twenty-seven".