22012001012077 has 2 divisors, whose sum is σ = 22012001012078. Its totient is φ = 22012001012076.

The previous prime is 22012001012063. The next prime is 22012001012123. The reversal of 22012001012077 is 77021010021022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19831871983401 + 2180129028676 = 4453299^2 + 1476526^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012001012077 - 2²⁷ = 22011866794349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012001012377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006000506038 + 11006000506039.

It is an arithmetic number, because the mean of its divisors is an integer number (11006000506039).

Almost surely, 2^{22012001012077} is an apocalyptic number.

It is an amenable number.

22012001012077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012001012077 is an equidigital number, since it uses as much as digits as its factorization.

22012001012077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

Adding to 22012001012077 its reverse (77021010021022), we get a palindrome (99033011033099).

The spelling of 22012001012077 in words is "twenty-two trillion, twelve billion, one million, twelve thousand, seventy-seven".