2121113132197 has 2 divisors, whose sum is σ = 2121113132198. Its totient is φ = 2121113132196.

The previous prime is 2121113132167. The next prime is 2121113132227. The reversal of 2121113132197 is 7912313111212.

It is a balanced prime because it is at equal distance from previous prime (2121113132167) and next prime (2121113132227).

It can be written as a sum of positive squares in only one way, i.e., 1877774161761 + 243338970436 = 1370319^2 + 493294^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121113132197 - 2³⁹ = 1571357318309 is a prime.

It is a super-3 number, since 3×2121113132197³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121113132107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060556566098 + 1060556566099.

It is an arithmetic number, because the mean of its divisors is an integer number (1060556566099).

Almost surely, 2^{2121113132197} is an apocalyptic number.

It is an amenable number.

2121113132197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121113132197 is an equidigital number, since it uses as much as digits as its factorization.

2121113132197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 34.

The spelling of 2121113132197 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred ninety-seven".