1010220210157 has 2 divisors, whose sum is σ = 1010220210158. Its totient is φ = 1010220210156.

The previous prime is 1010220210143. The next prime is 1010220210173. The reversal of 1010220210157 is 7510120220101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850048964361 + 160171245796 = 921981^2 + 400214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010220210157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010220217157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110105078 + 505110105079.

It is an arithmetic number, because the mean of its divisors is an integer number (505110105079).

Almost surely, 2^{1010220210157} is an apocalyptic number.

It is an amenable number.

1010220210157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010220210157 is an equidigital number, since it uses as much as digits as its factorization.

1010220210157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 1010220210157 its reverse (7510120220101), we get a palindrome (8520340430258).

The spelling of 1010220210157 in words is "one trillion, ten billion, two hundred twenty million, two hundred ten thousand, one hundred fifty-seven".