2112022200077 has 2 divisors, whose sum is σ = 2112022200078. Its totient is φ = 2112022200076.

The previous prime is 2112022200073. The next prime is 2112022200151. The reversal of 2112022200077 is 7700022202112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1571578147876 + 540444052201 = 1253626^2 + 735149^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112022200077 - 2² = 2112022200073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112022200073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056011100038 + 1056011100039.

It is an arithmetic number, because the mean of its divisors is an integer number (1056011100039).

Almost surely, 2^{2112022200077} is an apocalyptic number.

It is an amenable number.

2112022200077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112022200077 is an equidigital number, since it uses as much as digits as its factorization.

2112022200077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

Adding to 2112022200077 its reverse (7700022202112), we get a palindrome (9812044402189).

The spelling of 2112022200077 in words is "two trillion, one hundred twelve billion, twenty-two million, two hundred thousand, seventy-seven".