2741772242221 has 2 divisors, whose sum is σ = 2741772242222. Its totient is φ = 2741772242220.

The previous prime is 2741772242203. The next prime is 2741772242257. The reversal of 2741772242221 is 1222422771472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2407617722500 + 334154519721 = 1551650^2 + 578061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2741772242221 - 2¹⁷ = 2741772111149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2741712242221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370886121110 + 1370886121111.

It is an arithmetic number, because the mean of its divisors is an integer number (1370886121111).

Almost surely, 2^{2741772242221} is an apocalyptic number.

It is an amenable number.

2741772242221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2741772242221 is an equidigital number, since it uses as much as digits as its factorization.

2741772242221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 351232, while the sum is 43.

The spelling of 2741772242221 in words is "two trillion, seven hundred forty-one billion, seven hundred seventy-two million, two hundred forty-two thousand, two hundred twenty-one".