2201999958877 has 2 divisors, whose sum is σ = 2201999958878. Its totient is φ = 2201999958876.

The previous prime is 2201999958871. The next prime is 2201999958887. The reversal of 2201999958877 is 7788599991022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161693796761 + 1040306162116 = 1077819^2 + 1019954^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201999958877 - 2²⁷ = 2201865741149 is a prime.

It is a super-2 number, since 2×2201999958877² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201999958871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100999979438 + 1100999979439.

It is an arithmetic number, because the mean of its divisors is an integer number (1100999979439).

Almost surely, 2^{2201999958877} is an apocalyptic number.

It is an amenable number.

2201999958877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201999958877 is an equidigital number, since it uses as much as digits as its factorization.

2201999958877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411505920, while the sum is 76.

The spelling of 2201999958877 in words is "two trillion, two hundred one billion, nine hundred ninety-nine million, nine hundred fifty-eight thousand, eight hundred seventy-seven".