1020211000197 has 4 divisors (see below), whose sum is σ = 1360281333600. Its totient is φ = 680140666796.

The previous prime is 1020211000177. The next prime is 1020211000199. The reversal of 1020211000197 is 7910001120201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020211000197 - 2¹⁶ = 1020210934661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211000199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170035166697 + ... + 170035166702.

It is an arithmetic number, because the mean of its divisors is an integer number (340070333400).

Almost surely, 2^{1020211000197} is an apocalyptic number.

It is an amenable number.

1020211000197 is a deficient number, since it is larger than the sum of its proper divisors (340070333403).

1020211000197 is an equidigital number, since it uses as much as digits as its factorization.

1020211000197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340070333402.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 1020211000197 its reverse (7910001120201), we get a palindrome (8930212120398).

The spelling of 1020211000197 in words is "one trillion, twenty billion, two hundred eleven million, one hundred ninety-seven", and thus it is an aban number.