22201120019977 has 4 divisors (see below), whose sum is σ = 22249278632196. Its totient is φ = 22152961407760.

The previous prime is 22201120019971. The next prime is 22201120020043. The reversal of 22201120019977 is 77991002110222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12978121530256 + 9222998489721 = 3602516^2 + 3036939^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201120019977 - 2²⁷ = 22200985802249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201120019971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24079305418 + ... + 24079306339.

It is an arithmetic number, because the mean of its divisors is an integer number (5562319658049).

Almost surely, 2^{22201120019977} is an apocalyptic number.

It is an amenable number.

22201120019977 is a deficient number, since it is larger than the sum of its proper divisors (48158612219).

22201120019977 is an equidigital number, since it uses as much as digits as its factorization.

22201120019977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48158612218.

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 22201120019977 in words is "twenty-two trillion, two hundred one billion, one hundred twenty million, nineteen thousand, nine hundred seventy-seven".