1022122000157 has 2 divisors, whose sum is σ = 1022122000158. Its totient is φ = 1022122000156.

The previous prime is 1022122000073. The next prime is 1022122000171. The reversal of 1022122000157 is 7510002212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539077539961 + 483044460196 = 734219^2 + 695014^2 .

It is an emirp because it is prime and its reverse (7510002212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022122000157 - 2³² = 1017827032861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022122009157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511061000078 + 511061000079.

It is an arithmetic number, because the mean of its divisors is an integer number (511061000079).

Almost surely, 2^{1022122000157} is an apocalyptic number.

It is an amenable number.

1022122000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022122000157 is an equidigital number, since it uses as much as digits as its factorization.

1022122000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 1022122000157 its reverse (7510002212201), we get a palindrome (8532124212358).

The spelling of 1022122000157 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one hundred fifty-seven", and thus it is an aban number.