2201010022121 has 2 divisors, whose sum is σ = 2201010022122. Its totient is φ = 2201010022120.

The previous prime is 2201010022097. The next prime is 2201010022129. The reversal of 2201010022121 is 1212200101022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1512211278400 + 688798743721 = 1229720^2 + 829939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201010022121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201010022096 and 2201010022105.

It is not a weakly prime, because it can be changed into another prime (2201010022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100505011060 + 1100505011061.

It is an arithmetic number, because the mean of its divisors is an integer number (1100505011061).

Almost surely, 2^{2201010022121} is an apocalyptic number.

It is an amenable number.

2201010022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201010022121 is an equidigital number, since it uses as much as digits as its factorization.

2201010022121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201010022121 its reverse (1212200101022), we get a palindrome (3413210123143).

The spelling of 2201010022121 in words is "two trillion, two hundred one billion, ten million, twenty-two thousand, one hundred twenty-one".