1022203122001 has 2 divisors, whose sum is σ = 1022203122002. Its totient is φ = 1022203122000.

The previous prime is 1022203121999. The next prime is 1022203122013. The reversal of 1022203122001 is 1002213022201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570183561025 + 452019560976 = 755105^2 + 672324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022203122001 - 2¹ = 1022203121999 is a prime.

Together with 1022203121999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1022203122071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511101561000 + 511101561001.

It is an arithmetic number, because the mean of its divisors is an integer number (511101561001).

Almost surely, 2^{1022203122001} is an apocalyptic number.

It is an amenable number.

1022203122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022203122001 is an equidigital number, since it uses as much as digits as its factorization.

1022203122001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1022203122001 its reverse (1002213022201), we get a palindrome (2024416144202).

The spelling of 1022203122001 in words is "one trillion, twenty-two billion, two hundred three million, one hundred twenty-two thousand, one".