1021222001131 has 2 divisors, whose sum is σ = 1021222001132. Its totient is φ = 1021222001130.

The previous prime is 1021222001047. The next prime is 1021222001153. The reversal of 1021222001131 is 1311002221201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021222001131 - 2¹⁷ = 1021221870059 is a prime.

It is a super-2 number, since 2×1021222001131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021222001161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510611000565 + 510611000566.

It is an arithmetic number, because the mean of its divisors is an integer number (510611000566).

Almost surely, 2^{1021222001131} is an apocalyptic number.

1021222001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021222001131 is an equidigital number, since it uses as much as digits as its factorization.

1021222001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021222001131 its reverse (1311002221201), we get a palindrome (2332224222332).

The spelling of 1021222001131 in words is "one trillion, twenty-one billion, two hundred twenty-two million, one thousand, one hundred thirty-one".