2201022331121 has 2 divisors, whose sum is σ = 2201022331122. Its totient is φ = 2201022331120.

The previous prime is 2201022331033. The next prime is 2201022331141. The reversal of 2201022331121 is 1211332201022.

It is an a-pointer prime, because the next prime (2201022331141) can be obtained adding 2201022331121 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1463347476721 + 737674854400 = 1209689^2 + 858880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201022331121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2201022331093 and 2201022331102.

It is not a weakly prime, because it can be changed into another prime (2201022331141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100511165560 + 1100511165561.

It is an arithmetic number, because the mean of its divisors is an integer number (1100511165561).

Almost surely, 2^{2201022331121} is an apocalyptic number.

It is an amenable number.

2201022331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201022331121 is an equidigital number, since it uses as much as digits as its factorization.

2201022331121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2201022331121 its reverse (1211332201022), we get a palindrome (3412354532143).

The spelling of 2201022331121 in words is "two trillion, two hundred one billion, twenty-two million, three hundred thirty-one thousand, one hundred twenty-one".