2220211201001 has 2 divisors, whose sum is σ = 2220211201002. Its totient is φ = 2220211201000.

The previous prime is 2220211200997. The next prime is 2220211201003. The reversal of 2220211201001 is 1001021120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2219730495376 + 480705625 = 1489876^2 + 21925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220211201001 - 2² = 2220211200997 is a prime.

Together with 2220211201003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2220211201003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110105600500 + 1110105600501.

It is an arithmetic number, because the mean of its divisors is an integer number (1110105600501).

Almost surely, 2^{2220211201001} is an apocalyptic number.

It is an amenable number.

2220211201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220211201001 is an equidigital number, since it uses as much as digits as its factorization.

2220211201001 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 2220211201001 its reverse (1001021120222), we get a palindrome (3221232321223).

The spelling of 2220211201001 in words is "two trillion, two hundred twenty billion, two hundred eleven million, two hundred one thousand, one".