103021211197 has 2 divisors, whose sum is σ = 103021211198. Its totient is φ = 103021211196.

The previous prime is 103021211191. The next prime is 103021211201. The reversal of 103021211197 is 791112120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100021020121 + 3000191076 = 316261^2 + 54774^2 .

It is an emirp because it is prime and its reverse (791112120301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103021211197 is a prime.

It is a super-2 number, since 2×103021211197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103021211191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510605598 + 51510605599.

It is an arithmetic number, because the mean of its divisors is an integer number (51510605599).

Almost surely, 2^103021211197 is an apocalyptic number.

It is an amenable number.

103021211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021211197 is an equidigital number, since it uses as much as digits as its factorization.

103021211197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 28.

Adding to 103021211197 its reverse (791112120301), we get a palindrome (894133331498).

The spelling of 103021211197 in words is "one hundred three billion, twenty-one million, two hundred eleven thousand, one hundred ninety-seven".