22212201201077 has 2 divisors, whose sum is σ = 22212201201078. Its totient is φ = 22212201201076.

The previous prime is 22212201201049. The next prime is 22212201201097. The reversal of 22212201201077 is 77010210221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17443703552356 + 4768497648721 = 4176566^2 + 2183689^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212201201077 - 2¹⁸ = 22212200938933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212201201017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106100600538 + 11106100600539.

It is an arithmetic number, because the mean of its divisors is an integer number (11106100600539).

Almost surely, 2^{22212201201077} is an apocalyptic number.

It is an amenable number.

22212201201077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212201201077 is an equidigital number, since it uses as much as digits as its factorization.

22212201201077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 22212201201077 its reverse (77010210221222), we get a palindrome (99222411422299).

The spelling of 22212201201077 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, two hundred one thousand, seventy-seven".