1021222012301 has 2 divisors, whose sum is σ = 1021222012302. Its totient is φ = 1021222012300.

The previous prime is 1021222012277. The next prime is 1021222012303. The reversal of 1021222012301 is 1032102221201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940707949801 + 80514062500 = 969901^2 + 283750^2 .

It is an emirp because it is prime and its reverse (1032102221201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021222012301 is a prime.

Together with 1021222012303, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021222012301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021222012303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510611006150 + 510611006151.

It is an arithmetic number, because the mean of its divisors is an integer number (510611006151).

Almost surely, 2^{1021222012301} is an apocalyptic number.

It is an amenable number.

1021222012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021222012301 is an equidigital number, since it uses as much as digits as its factorization.

1021222012301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1021222012301 its reverse (1032102221201), we get a palindrome (2053324233502).

The spelling of 1021222012301 in words is "one trillion, twenty-one billion, two hundred twenty-two million, twelve thousand, three hundred one".