22201112102077 has 2 divisors, whose sum is σ = 22201112102078. Its totient is φ = 22201112102076.

The previous prime is 22201112102069. The next prime is 22201112102149. The reversal of 22201112102077 is 77020121110222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11788654438521 + 10412457663556 = 3433461^2 + 3226834^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201112102077 - 2³ = 22201112102069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201112100077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100556051038 + 11100556051039.

It is an arithmetic number, because the mean of its divisors is an integer number (11100556051039).

Almost surely, 2^{22201112102077} is an apocalyptic number.

It is an amenable number.

22201112102077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201112102077 is an equidigital number, since it uses as much as digits as its factorization.

22201112102077 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 28.

Adding to 22201112102077 its reverse (77020121110222), we get a palindrome (99221233212299).

The spelling of 22201112102077 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred two thousand, seventy-seven".