2201001201988 has 12 divisors (see below), whose sum is σ = 3984571141740. Its totient is φ = 1062552304352.

The previous prime is 2201001201923. The next prime is 2201001201989. The reversal of 2201001201988 is 8891021001022.

It can be written as a sum of positive squares in 2 ways, for example, as 425732760324 + 1775268441664 = 652482^2 + 1332392^2 .

It is not an unprimeable number, because it can be changed into a prime (2201001201989) 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, 9487074031 + ... + 9487074262.

It is an arithmetic number, because the mean of its divisors is an integer number (332047595145).

Almost surely, 2^{2201001201988} is an apocalyptic number.

It is an amenable number.

2201001201988 is a deficient number, since it is larger than the sum of its proper divisors (1783569939752).

2201001201988 is a wasteful number, since it uses less digits than its factorization.

2201001201988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18974148326 (or 18974148324 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 2201001201988 in words is "two trillion, two hundred one billion, one million, two hundred one thousand, nine hundred eighty-eight".