2211368117573 has 2 divisors, whose sum is σ = 2211368117574. Its totient is φ = 2211368117572.

The previous prime is 2211368117561. The next prime is 2211368117603. The reversal of 2211368117573 is 3757118631122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2198509011169 + 12859106404 = 1482737^2 + 113398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211368117573 - 2⁴ = 2211368117557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211368117503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105684058786 + 1105684058787.

It is an arithmetic number, because the mean of its divisors is an integer number (1105684058787).

Almost surely, 2^{2211368117573} is an apocalyptic number.

It is an amenable number.

2211368117573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211368117573 is an equidigital number, since it uses as much as digits as its factorization.

2211368117573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The spelling of 2211368117573 in words is "two trillion, two hundred eleven billion, three hundred sixty-eight million, one hundred seventeen thousand, five hundred seventy-three".