100020211210057 has 2 divisors, whose sum is σ = 100020211210058. Its totient is φ = 100020211210056.

The previous prime is 100020211209949. The next prime is 100020211210093. The reversal of 100020211210057 is 750012112020001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77823872942656 + 22196338267401 = 8821784^2 + 4711299^2 .

It is a cyclic number.

It is not a de Polignac number, because 100020211210057 - 2³¹ = 100018063726409 is a prime.

It is not a weakly prime, because it can be changed into another prime (100020211210097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010105605028 + 50010105605029.

It is an arithmetic number, because the mean of its divisors is an integer number (50010105605029).

Almost surely, 2^{100020211210057} is an apocalyptic number.

It is an amenable number.

100020211210057 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020211210057 is an equidigital number, since it uses as much as digits as its factorization.

100020211210057 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 100020211210057 its reverse (750012112020001), we get a palindrome (850032323230058).

The spelling of 100020211210057 in words is "one hundred trillion, twenty billion, two hundred eleven million, two hundred ten thousand, fifty-seven".