2000022201977 has 2 divisors, whose sum is σ = 2000022201978. Its totient is φ = 2000022201976.

The previous prime is 2000022201967. The next prime is 2000022202027. The reversal of 2000022201977 is 7791022200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1921714015081 + 78308186896 = 1386259^2 + 279836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000022201977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000022201967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000011100988 + 1000011100989.

It is an arithmetic number, because the mean of its divisors is an integer number (1000011100989).

Almost surely, 2^{2000022201977} is an apocalyptic number.

It is an amenable number.

2000022201977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000022201977 is an equidigital number, since it uses as much as digits as its factorization.

2000022201977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 2000022201977 its reverse (7791022200002), we get a palindrome (9791044401979).

The spelling of 2000022201977 in words is "two trillion, twenty-two million, two hundred one thousand, nine hundred seventy-seven".