2201200229981 has 2 divisors, whose sum is σ = 2201200229982. Its totient is φ = 2201200229980.

The previous prime is 2201200229953. The next prime is 2201200230071. The reversal of 2201200229981 is 1899220021022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771270853881 + 429929376100 = 1330891^2 + 655690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201200229981 is a prime.

It is a super-2 number, since 2×2201200229981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201200229951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100600114990 + 1100600114991.

It is an arithmetic number, because the mean of its divisors is an integer number (1100600114991).

Almost surely, 2^{2201200229981} is an apocalyptic number.

It is an amenable number.

2201200229981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201200229981 is an equidigital number, since it uses as much as digits as its factorization.

2201200229981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 2201200229981 in words is "two trillion, two hundred one billion, two hundred million, two hundred twenty-nine thousand, nine hundred eighty-one".