2120202030197 has 2 divisors, whose sum is σ = 2120202030198. Its totient is φ = 2120202030196.

The previous prime is 2120202030119. The next prime is 2120202030217. The reversal of 2120202030197 is 7910302020212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1730977023556 + 389225006641 = 1315666^2 + 623879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120202030197 - 2¹⁰ = 2120202029173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120202030797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060101015098 + 1060101015099.

It is an arithmetic number, because the mean of its divisors is an integer number (1060101015099).

Almost surely, 2^{2120202030197} is an apocalyptic number.

It is an amenable number.

2120202030197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120202030197 is an equidigital number, since it uses as much as digits as its factorization.

2120202030197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 2120202030197 in words is "two trillion, one hundred twenty billion, two hundred two million, thirty thousand, one hundred ninety-seven".